The Daozang
The Daozang is the collected scriptural canon of Daoism, assembled over more than a millennium through multiple imperially sponsored projects. Its roughly 1,400 texts span philosophy, ritual, meditation, cosmology, and alchemy, drawn from virtually every major lineage. The 1445 Zhengtong Daozang remains the standard edition in use today.
The Three Caverns and Four Supplements
The canon is organized by a scheme of Three Caverns (Sandong) combined with Four Supplements (Sibu). The two-part structure reflects the historical layering of Daoist textual communities rather than a single authorial design.
The Three Caverns were formalized in the 5th century, with the bibliographer Lu Xiujing (406-477) credited for an early catalog. Each Cavern corresponds to one of the major scriptural traditions that emerged in the Shangqing and Lingbao revelations:
| Cavern | Chinese | Scriptural Tradition |
|---|---|---|
| Cavern of Perfection | Dongzhen | Shangqing - Highest Clarity |
| Cavern of Mystery | Dongxuan | Lingbao - Numinous Treasure |
| Cavern of Spirit | Dongshen | Sanhuang - Three Sovereigns |
Each Cavern was also keyed to a rank in priestly ordination, so the Three Caverns shaped liturgical hierarchy as well as bibliography. The three San Qing deities (Three Pure Ones) govern the heavens associated with each Cavern.
The Four Supplements sit alongside the Caverns and hold texts that predate or fall outside the Cavern traditions:
| Supplement | Chinese | Primary Content |
|---|---|---|
| Taixuan | Great Mystery | Daode jing and Laozi-school material |
| Taiping | Great Peace | Taiping jing and related texts |
| Taiqing | Great Clarity | Outer alchemical texts |
| Zhengyi | Orthodox Unity | Celestial Masters / Zhengyi ritual texts |
Compilation History
The first imperially commissioned canon was the Kaiyuan Daozang, compiled around 740 during the Tang dynasty when Shangqing lineages held imperial favor. Later compilations followed under the Song and Jin dynasties.
The Yuan dynasty disrupted this tradition when, in 1281, Kublai Khan ordered the destruction of all Daoist texts other than the Daode jing, eliminating most copies then in circulation.
The Ming restoration produced the Zhengtong Daozang in 1445, named for the Zhengtong reign period. It contains approximately 1,400 texts in over 5,000 juan (scroll volumes). A supplementary collection, the Xu Daozang, was added in 1607 during the Wanli reign, bringing in texts omitted from the 1445 edition.
What the Canon Contains
The range of material in the canon resists reduction to a single thread. Alongside philosophical texts like the Daode jing and Zhuangzi, the canon holds liturgical manuals from the Celestial Masters, revealed scriptures from the Shangqing and Lingbao traditions, inner alchemy texts, hagiographies of immortals, and ritual compendia.
The 1445 canon’s textual evidence also bears on the Daojia-Daojiao debate. Analysis of how the terms appear across the collected texts shows them used practically interchangeably, which challenges the modern scholarly division between “philosophical” and “religious” Daoism as two distinct traditions. The Wanli supplement of 1607 is the last major addition to the imperial canon.