In 1258, years before Kublai Khan formally established himself as ruler of the Yuan dynasty, Buddhist monks and Daoist masters gathered before him at Kaiping-fu, the Mongol prince’s residence that would later become famous as Shangdu. They did not come merely to discuss abstract theology. They came to settle a dispute over the authenticity of scriptures, the history of Laozi and the Buddha, the possession of religious property, and ultimately the right of rival religious institutions to claim imperial favor in northern China.
The confrontation was the culmination of years of Buddhist complaints against the rapidly expanding Quanzhen Daoist movement. Under the Mongols, religious institutions could possess estates, command networks of followers, attract educated men, and receive privileges from rulers. A disagreement over sacred history could therefore become a struggle over temples, land, printing projects, and political influence. Modern historian Jun Nakamura has consequently argued that the 1258 gathering should be understood not simply as a theological debate, but also as part of Kublai’s effort to establish his authority over northern China.
The evidence for what happened must be handled with caution. The fullest Chinese narrative is the Da Yuan Zhiyuan Bianwei lu, or Record of the Discrimination of Falsehoods in the Great Yuan Zhiyuan Era, compiled by the Buddhist monk Xiangmai. Its surviving five volumes devote extensive attention to arguments against Daoist texts and preserve important documents connected with the controversy. Yet it was a Buddhist work, commissioned under a court that had already ruled against the Daoist position, and it was intended in part to demonstrate the correctness of the Buddhist victory. The imbalance of the surviving evidence means that many of the dramatic exchanges have reached us through the side that claimed to have won.
The Rise of Quanzhen Daoism
The Daoists who entered Kublai’s court were not representatives of a weak or obscure religious movement. Quanzhen, usually translated as Complete Perfection, had become one of the most powerful religious organizations in thirteenth-century northern China. Its rise accelerated after the renowned master Qiu Chuji traveled across Central Asia to meet Chinggis Khan. The prestige attached to Qiu and his successors helped Quanzhen develop extensive networks of monasteries, clergy, patrons, and lay followers during the decades of Mongol conquest.
Modern research has emphasized just how formidable that network became. Quanzhen monasteries connected communities across northern China, while the movement attracted former members of the educated elite at a time when older political structures had been disrupted. The enormous funeral held for Qiu Chuji in 1228 reportedly attracted thousands of clergy and lay followers, illustrating that Quanzhen had become not simply a school of religious cultivation but an institution capable of mobilizing people and resources on a remarkable scale.
This success also brought conflict. Buddhist sources accused Quanzhen communities of taking possession of hundreds of Buddhist temples and converting them to Daoist use. Xiangmai’s Bianwei lu later claimed that 482 Buddhist establishments had been seized, although numbers transmitted by partisan sources should not automatically be treated as precise administrative totals. What is clear is that control of temples and their property was a serious part of the quarrel. The debate over scripture was therefore inseparable from a dispute over who would control religious institutions in Mongol-ruled China.
The Books at the Center of the Conflict
Two works became especially important in the Buddhist accusations: the Laozi Huahu jing, commonly called the Scripture of Laozi’s Conversion of the Barbarians, and the Laojun bashiyi hua tu, or Illustrations of the Eighty-One Transformations of Lord Lao.
The tradition behind the Huahu jing claimed that Laozi had traveled westward after leaving China and had transformed or instructed peoples beyond the Chinese world. Over the centuries, versions of this tradition became weapons in competition between Buddhism and Daoism. Some formulations subordinated Buddhism to Daoism by portraying the Buddha or Buddhist teaching as ultimately derived from Laozi. To Buddhist monks, such claims were not harmless legends. They challenged the independence, antiquity, and authority of Buddhism itself.
The Eighty-One Transformations expanded such claims into an elaborate sacred history in which Laozi appeared repeatedly through the ages. Xiangmai devoted much of the first two volumes of the Bianwei lu to identifying what he regarded as contradictions, fabrications, appropriations, and impossible chronological assertions within these traditions. His headings alone reveal the character of the Buddhist attack, with accusations concerning false accounts of Laozi, the theft of Buddhist teachings, competing versions of Laozi’s birth, and claims that Laozi repeatedly appeared as a Buddha.
One passage criticized a story in which Laozi was said to have taught texts known to Buddhists, including the Golden Light Sutra and the Nirvana Sutra. For Xiangmai, such stories did not demonstrate the superiority of Daoism. They demonstrated that Daoist writers had borrowed Buddhist material and placed it retrospectively into the life of Laozi. The dispute thus became an exercise in textual criticism, even if conducted in a highly polemical environment. The crucial question was not simply whether Laozi was a great sage. It was whether specific books attributed to his tradition could withstand examination of their dates, vocabulary, sources, and historical claims.
Kublai Convenes the Debate at Kaiping
The confrontation of 1258 occurred during the reign of Möngke Khan, not after Kublai had become Great Khan. Möngke had already presided over an imperial world in which religious communities regularly competed before Mongol rulers. Only a few years earlier, the Franciscan William of Rubruck had witnessed a formal interreligious disputation at Qaraqorum involving Christians, Muslims, and Buddhists. Such debates fit a broader Mongol practice in which rulers listened to competing religious specialists while reserving to themselves the right to judge, patronize, restrain, or reorganize them.
Nakamura’s reconstruction places the third and decisive Buddhist-Daoist confrontation at Kaiping-fu in 1258 under Kublai’s supervision. This matters because older summaries have sometimes blurred the several debates together or placed the 1258 session at Qaraqorum. Kaiping was Kublai’s developing political center. Holding the confrontation there turned the proceedings into a visible demonstration that disputes among major Chinese religious organizations could be carried before the Mongol prince responsible for governing China. CiNii
Later accounts portray the gathering as enormous. Buddhist sources describe hundreds of Buddhist and Daoist clerics in attendance, together with officials and learned observers. Among the Buddhist figures associated with the confrontation were the Shaolin abbot Fuyu and the young Tibetan Sakya hierarch ’Phags-pa. Quanzhen representatives included leading Daoist masters responsible for defending the disputed literature. Modern reconstructions based on the Buddhist records describe more than 300 Buddhist participants and more than 200 Daoists, although the exact numbers are less important than the clear intention to make the event an imperial spectacle rather than a private scholarly discussion.
Putting Sacred History on Trial
The Buddhist strategy was to force broad sacred claims into narrow historical questions.
If Laozi had traveled west and converted the peoples of India, where was the reliable historical evidence? If the Buddha had somehow derived his teaching from Laozi, why did the chronology appear inconsistent? If texts placed Buddhist terminology into episodes supposedly occurring centuries earlier, when had those passages actually been written? If Daoist books contained material resembling Buddhist sutras, did that prove that Buddhism had borrowed from Daoism, or did it show that later Daoist authors had incorporated Buddhist material?
The surviving Bianwei lu is structured around such attacks. The Buddhist representatives challenged the dating of texts, the identities assigned to Laozi across legendary ages, accounts of his transformations, and assertions that teachings known from Buddhist scripture originated with him. The dispute was therefore about religious truth, but it was also about evidence. Manuscripts, historical chronology, names, books, and textual transmission became weapons.
The surviving Buddhist narrative makes the Daoist representatives appear repeatedly unable to respond. That presentation should immediately raise a historian’s caution. A record produced by the victorious side decades later had every incentive to turn uncertainty into silence and complicated answers into humiliation. A recent study of premodern Buddhist-Daoist debates has consequently noted the obvious problem that Kublai was not merely a detached moderator. According to the Buddhist narrative, he personally challenged the Daoists and even pressed them on claims of supernatural abilities, hardly the behavior of a neutral modern judge.
Yet the fact that the record is partisan does not mean that the event itself was invented. Independent evidence from Tibet gives the 1258 confrontation a firmer historical foundation.
’Phags-pa and the Tibetan Evidence
One of the most important participants was ’Phags-pa, the young Tibetan lama who would later become one of the most influential Buddhist figures at Kublai’s court. His connection to the 1258 confrontation is particularly valuable because it can be established from evidence outside Xiangmai’s Chinese Buddhist narrative.
A Tibetan work attributed to ’Phags-pa, commonly translated as Refutation in Verse against the Daoists, connects him directly with the defeat of seventeen Daoist representatives. Yoshiro Imaeda’s study and translation of the text concluded that ’Phags-pa was present at the third session of the Buddhist-Daoist controversy, the one presided over by Kublai, and played an important role in the Buddhist case. A Tibetan biography also supports his participation.
That independent testimony is significant. It does not transform the Buddhist version of every exchange into an objective transcript, but it confirms that the young Tibetan cleric participated in an actual confrontation with Daoist representatives under Kublai. Nakamura further argues that Kublai deliberately brought ’Phags-pa into the dispute. Only two years later, after Kublai claimed the position of Great Khan, ’Phags-pa would receive the title of State Preceptor. The debate of 1258 therefore stands near the beginning of a relationship that would profoundly influence the religious and political development of the Yuan state.
The Verdict Against the Daoists
The court ruled for the Buddhists.
According to the surviving accounts, seventeen Daoist representatives were subjected to tonsure and made Buddhist monks. Certain temples or religious properties claimed by Daoists were ordered restored to Buddhist control. More importantly for the textual controversy, books judged to contain false claims against Buddhism were condemned.
An imperial order dated to the eleventh day of the seventh month of Möngke’s eighth year, 1258, provides especially important evidence because it moves beyond Xiangmai’s later narrative of verbal victory. The order instructed officials to pursue the writings and printing blocks condemned in the controversy, gather them, and destroy them. It specifically treated works associated with the Huahu tradition and the Eighty-One Transformations as fraudulent texts. Copies carved into monuments or represented in other durable forms were likewise to be removed.
The later inscription preserved in volume five of the Bianwei lu, compiled by officials of the Hanlin Academy, remembered the controversy in explicitly imperial terms. It described the Laojun huahu chengfo jing and Eighty-One Transformations as texts circulated to elevate Daoism by denigrating Buddhism and presented Kublai’s judgment as the correction of a religious falsehood. Because this inscription represented the official Yuan interpretation after the Buddhist side had triumphed, it is valuable evidence for what the court wanted the event to mean, even when it cannot serve as an unbiased transcript of what every Daoist actually argued.
Temples, Printing Blocks, and Political Power
Destroying a book in the thirteenth century could mean more than burning individual copies. Quanzhen Daoists had developed an impressive printing culture. By the 1240s they had participated in producing the enormous Xuandu baozang, the Precious Canon of the Mysterious Metropolis, reportedly consisting of more than 7,800 fascicles. Printing blocks allowed religious communities to reproduce texts, standardize traditions, and spread their teachings across large territories. To seize or burn those blocks was to attack the institutional machinery that allowed a religious movement to reproduce its claims.
The same was true of monasteries. A temple meant land, housing, ritual income, patronage, prestige, and a physical presence within a community. The fight over whether Daoists had appropriated Buddhist establishments cannot therefore be separated from the debate over whether Daoist scriptures had appropriated Buddhist history. The textual and material accusations reinforced one another.
Nakamura’s interpretation pushes the political significance further. Quanzhen had become attractive to educated men displaced by the collapse of older political institutions, giving the movement influence beyond its monasteries. In his reading, Kublai’s intervention helped remove Quanzhen from a position of political influence while simultaneously displaying Kublai himself as the authority capable of judging religious disputes in China. The meeting at Kaiping was therefore not merely a Buddhist victory. It was an act of Mongol state formation.
Even so, Kublai should not be reduced to a ruler who simply hated Daoism. His later policies were more selective. The Yuan court continued to recognize and patronize Daoist figures, and an imperial edict of 1269 endorsed important Quanzhen lineage claims. Kublai also cultivated relationships with other Daoist traditions, particularly Zhengyi masters. His policy was better understood as control, selection, and balancing of religious institutions than as a straightforward attempt to eliminate Daoism.
What Happened in 1258 Was Not the Destruction of the Entire Daoist Canon
The distinction between 1258 and later events is essential.
The ruling of 1258 targeted texts condemned as false or anti-Buddhist and ordered the destruction of associated copies and printing blocks. It did not immediately result in the destruction of virtually the entire Daoist canon. That far broader action came more than two decades later.
In 1281, under Kublai’s established Yuan regime, another investigation of Daoist literature took place. The official historical record later summarized the conclusion starkly: Zhang Yi and others reported that only the Daodejing could be accepted as Laozi’s own work and recommended that the other writings judged spurious be destroyed. Kublai accepted their recommendation.
The resulting proscription was devastating to the Daoist textual tradition. The Xuandu baozang and its printing infrastructure suffered enormous losses, and later scholars would know many earlier Daoist works only by title or through fragments that happened to escape destruction. Modern study of the Daoist Canon has estimated that hundreds of works present in earlier collections were absent by the time later canons were assembled.
Confusing that 1281 destruction with the verdict of 1258 makes the earlier debate appear even more immediately catastrophic than it actually was. The better interpretation is that 1258 marked a decisive turning point. The court publicly rejected particular Daoist historical claims, weakened Quanzhen’s position, and established a precedent for imperial intervention in the authenticity of Daoist literature. The broader destruction followed after another generation of conflict.
A Victory Written by the Victors
For historians, the greatest difficulty of the 1258 debate remains the character of the evidence.
Xiangmai’s Bianwei lu is indispensable. Without it, much of the debate would be almost impossible to reconstruct. At the same time, its very title announces its purpose: to distinguish truth from falsehood. Its Buddhist authors did not intend to preserve a balanced record in which both sides received equal space. They intended to demonstrate that the Daoist books were false and that the imperial verdict had been correct.
That makes the Tibetan evidence from ’Phags-pa especially valuable, but it does not solve the problem completely because ’Phags-pa was himself a Buddhist participant. The official inscriptions likewise tell us how the Yuan court ultimately chose to remember the controversy rather than offering a neutral record. Modern scholars therefore have to reconstruct the event by comparing partisan Buddhist texts, Tibetan material, imperial documents, later official history, and the surviving evidence for Quanzhen Daoism itself.
The Daoist side also deserves to be understood outside the accusations of its opponents. Quanzhen was an ascetic and monastic movement with sophisticated teachings, disciplined communities, internal lineages, and a substantial intellectual tradition. Its extraordinary rise under early Mongol rule cannot be explained by forged books or political maneuvering alone. The movement attracted serious religious practitioners and commanded genuine devotion throughout northern China. Its defeat at Kublai’s court was a turning point in its relationship with imperial power, not proof that everything taught by Quanzhen had been placed on trial and rejected.
Why the Debate of 1258 Matters
The Buddhist-Daoist debate at Kaiping reveals how difficult it is to separate religion, history, and government in the Mongol world. At first glance, the controversy concerned a strange but fascinating question: had Laozi traveled west and become the source of Buddhism? Beneath that question stood much larger issues. Who possessed the authority to determine whether a scripture was genuine? Who controlled temples and their estates? Which religious leaders could speak before the ruler? Which version of sacred history would receive the protection of the state?
Kublai answered those questions not as a modern historian but as a Mongol prince building authority over a vast and religiously diverse realm. By assembling rival religious communities before him and issuing judgment, he placed political sovereignty above the institutions asking him to decide between them. Buddhism emerged from the confrontation strengthened, ’Phags-pa emerged with greater prestige, and Quanzhen lost part of the extraordinary influence it had accumulated during the first decades of Mongol rule.
Yet the debate is equally important because of what its sources teach us about historical memory. The surviving record allows us to hear detailed Buddhist accusations, imperial judgments, and the triumphant recollections of the victors. The Daoist answers are harder to recover. The historian is therefore left with an event that was explicitly organized to separate truth from falsehood, but whose surviving evidence requires the same task from anyone attempting to reconstruct it today.
The 1258 confrontation at Kaiping was consequently more than a religious argument. It was a trial of texts, a contest for institutions, an assertion of Kublai’s political authority, and one stage in a struggle over sacred history that would eventually lead to one of the most destructive episodes in the history of the Daoist written tradition.
Sources & Further Reading
Xiangmai 祥邁. Da Yuan Zhiyuan Bianwei lu 大元至元辨偽錄 [Record of the Discrimination of Falsehoods in the Great Yuan Zhiyuan Era]. 5 juan. Taishō Shinshū Daizōkyō, no. 2116. CBETA. Accessed October 6, 2026. https://deerpark.app/cbeta/T2116.
Xiangmai 祥邁. “Shengzhi fenhui zhulu wei Daozang jing zhi bei” 聖旨焚毀諸路偽道藏經之碑 [“Inscription on the Imperial Command to Burn the Spurious Daoist Canon in the Various Circuits”]. In Da Yuan Zhiyuan Bianwei lu 大元至元辨偽錄, juan 5. Accessed October 6, 2026. https://deerpark.app/cbeta/T2116/5.
’Phags-pa. Zin-çiṅ-gi ston-pa btul-pa’i chigs-bčad [Refutation in Verse against the Daoists]. In Sa skya bka’ ’bum, vol. 7, no. 304. See Yoshiro Imaeda, “‘Refutation in Verse against Taoist’ by ’Phags-pa.” https://cir.nii.ac.jp/crid/1050001338546653824.
Imaeda, Yoshiro. “‘Refutation in Verse against Taoist’ by ’Phags-pa.” The Toyo Gakuho 56, no. 1 (1974): 41–48. https://cir.nii.ac.jp/crid/1050001338546653824.
Nakamura, Jun. “Re-examination of ‘the Disputes between Taoism and Buddhism’ during the Mongol Period: The Way to the Qubilai’s Rule in China.” The Toyo Gakuho 75, nos. 3–4 (1994): 229–259. https://toyo-bunko.repo.nii.ac.jp/records/5749.
Kubo, Noritada. “Prolegomena on the Study of Controversies between Buddhists and Taoists in the Yuan Period.” Memoirs of the Research Department of the Toyo Bunko 26 (1968): 39–61. https://toyo-bunko.repo.nii.ac.jp/records/3374.
Thiel, Joseph. “Der Streit der Buddhisten und Taoisten zur Mongolenzeit.” Monumenta Serica 20 (1961): 1–81. https://monumenta-serica.de/monumenta-serica/publications/journal/Catolog/Volume-XX-1961.php.
Jagchid, Sechin. “Chinese Buddhism and Taoism during the Mongolian Rule of China.” Mongolian Studies 6 (1980): 61–98. https://www.jstor.org/stable/i40124989.
Rossabi, Morris. Khubilai Khan: His Life and Times. Berkeley: University of California Press, 1988. https://books.google.com/books?id=sJd-OqqnUBwC.
Rossabi, Morris. “The Reign of Khubilai Khan.” In The Cambridge History of China. Vol. 6, Alien Regimes and Border States, 907–1368, edited by Herbert Franke and Denis Twitchett, 414–489. Cambridge: Cambridge University Press, 1994. https://www.cambridge.org/core/books/abs/cambridge-history-of-china/reign-of-khubilai-khan/5A78D2CB4336B15FB090E0532672D3CA.
Allsen, Thomas T. Mongol Imperialism: The Policies of the Grand Qan Möngke in China, Russia and the Islamic Lands, 1251–1259. Berkeley: University of California Press, 1987. https://search.worldcat.org/title/473275897.
Chan, Hok-lam. “Liu Ping-chung 劉秉忠 (1216–74): A Buddhist-Taoist Statesman at the Court of Khubilai Khan.” T’oung Pao 53 (1967): 98–146. https://www.jstor.org/stable/i406230.
Jan, Yün-hua. “Chinese Buddhism in Ta-tu: The New Situation and New Problems.” In Yüan Thought: Chinese Thought and Religion under the Mongols, edited by Hok-lam Chan and Wm. Theodore de Bary, 375–417. New York: Columbia University Press, 1982. https://buddhism.lib.ntu.edu.tw/DLMBS/en/search/search_detail.jsp?seq=272702.
Eskildsen, Stephen. The Teachings and Practices of the Early Quanzhen Taoist Masters. Albany: State University of New York Press, 2004. https://www.jstor.org/stable/jj.18255360.
Komjathy, Louis, trans. The Way of Complete Perfection: A Quanzhen Daoist Anthology. Albany: State University of New York Press, 2013. https://sunypress.edu/Books/T/The-Way-of-Complete-Perfection.
Kohn, Livia. Laughing at the Tao: Debates among Buddhists and Taoists in Medieval China. Princeton, NJ: Princeton University Press, 1995. https://search.worldcat.org/title/1200481047.
Ch’en, Kenneth K. S. Buddhism in China: A Historical Survey. Princeton, NJ: Princeton University Press, 1964. https://www.jstor.org/stable/j.ctv131bw1p.
Elverskog, Johan. “Religious Exchange.” In The Cambridge History of the Mongol Empire. Vol. 1, edited by Michal Biran and Hodong Kim, 525–549. Cambridge: Cambridge University Press, 2023. https://www.cambridge.org/core/books/abs/cambridge-history-of-the-mongol-empire/religious-exchange/46E79CC58C69F22AC771C6D0F06A68BB.
Seidel, Anna. “Le sûtra merveilleux du Ling-pao Suprême, traitant de Lao Tseu qui convertit les barbares (manuscrit S. 2081).” In Contributions aux études de Touen-houang, vol. 3, 305–352. Paris: École Française d’Extrême-Orient, 1984. https://catalogue.bnf.fr/rechercher.do?index=TOUS3&numNotice=11924350&typeNotice=p.
Chavannes, Édouard. “Inscriptions et pièces de chancellerie chinoises de l’époque mongole.” T’oung Pao 5 (1904): 357–447. https://www.jstor.org/stable/i406949.
Yao, Tao-chung. “Quanzhen: Complete Perfection.” In Daoism Handbook, edited by Livia Kohn. Leiden: Brill, 2000. https://brill.com/previewpdf/book/edcoll/9789004391840/BP000020.xml.
Li Zhichang 李志常. Changchun zhenren xiyou ji 長春真人西遊記 [Record of the Journey to the West of the Perfected Changchun]. Translated by Arthur Waley as The Travels of an Alchemist: The Journey of the Taoist Ch’ang-Ch’un from China to the Hindukush at the Summons of Chingiz Khan. London: George Routledge & Sons, 1931. https://archive.org/details/travelsofalchemi00li.
Waley, Arthur, trans. The Travels of an Alchemist: The Journey of the Taoist Ch’ang-Ch’un from China to the Hindukush at the Summons of Chingiz Khan. London: George Routledge & Sons, 1931. https://archive.org/details/travelsofalchemi00li.
Jackson, Peter. “The Mongols and the Faith of the Conquered.” In Mongols, Turks, and Others: Eurasian Nomads and the Sedentary World, edited by Reuven Amitai and Michal Biran, 245–290. Leiden: Brill, 2005. https://brill.com/display/book/edcoll/9789047406334/B9789047406334_s012.xml.
Nianchang 念常. Fozu lidai tongzai 佛祖歷代通載 [Comprehensive Chronicle of the Buddhas and Patriarchs through the Ages]. Vol. 33. Chinese Text Project. Accessed October 6, 2026. https://ctext.org/wiki.pl?if=gb&res=1932105.