Bai Ze

The Yellow Emperor was on an inspection tour of the eastern coast when the beast appeared.

It could speak. It told him that it appeared only to rulers of the highest virtue. Then it began to talk, and what it said took long enough to fill a book.

Bai Ze described 11,520 types of supernatural creatures. Their names and forms, the harm they could cause, and the methods that would stop them. The Yellow Emperor ordered his attendants to write everything down and illustrate it. The resulting compendium was called the Bai Ze Tu: the Diagram of Bai Ze.

The original text was lost centuries ago. But the tradition it created lasted longer than the book.

The Beast on the Shore

The Kaiyuan Zhanjing (718-726 CE) preserves the oldest surviving version of the encounter narrative. It cites an earlier source, the Ruiying Tu (Chart of Auspicious Responses): “When the Yellow Emperor was on an inspection tour to the Eastern Sea, Bai Ze emerged. It could speak, thoroughly understood the essence of all things, used this to warn the people, and eliminated disasters and harm.”

The Yellow Emperor, Huangdi, is a semi-legendary figure traditionally dated to around 2697-2597 BCE. He stands at the beginning of Chinese civilization: credited with the invention of the calendar, medicine, silk, and writing. His encounter with Bai Ze fits a pattern in which the legitimacy of great rulers is confirmed by the appearance of auspicious creatures. A phoenix for one dynasty, a dragon for another. Bai Ze came for the Yellow Emperor because only he was worthy of receiving the knowledge.

The name means “White Marsh.” Bai (白) is white, ze (澤) is marsh or pool. The creature belongs to liminal terrain, to the mist-shrouded ground between water and land, the boundary between what can be seen and what stays hidden.

A Body That Changes with the Century

There is no single Bai Ze. The creature’s appearance shifts across dynasties and texts, as if each era needed its own version.

The Ming Dynasty Sancai Tuhui (1607 CE) describes it with green hair, a dragon head, and a horn growing from the forehead. The Yuan Dynasty History gives it a tiger’s head, a red mane, and a dragon body with a single horn. The Tiandi Ruixiang Zhi, a text that survives only through Japanese copies, describes it with the body of a cow and a human head with a beard.

Japanese tradition settled on what became the standard image: a white ox-like body, nine eyes arranged three on the face and three on each flank, and six horns. The extra eyes granted omniscient perception into the supernatural world. The six horns symbolized mastery over heaven, earth, and the spaces between.

The common thread across every version: Bai Ze was chimeric, composed of parts from several creatures, and it could see what others could not.

The Lost Book

The Bai Ze Tu was a practical manual. Daoist priests carried copies when traveling through mountains, believing the text itself functioned as a talisman. If you knew the name and nature of a spirit, you had power over it. The compendium functioned as a survival guide, closer to a field manual than a Western cabinet of curiosities.

Ge Hong, writing around 317-320 CE in his Baopuzi, refers to Bai Ze’s knowledge as essential: “To exhaustively understand the affairs of spirits and evil, one must remember the words of Bai Ze.” He wrote this in the Dengshe chapter, which dealt with protective practices for crossing through dangerous, spirit-infested mountain terrain.

The original compendium did not survive. But two fragments turned up in the Mogao Caves near Dunhuang, Gansu Province, in the early twentieth century. Paul Pelliot and Aurel Stein found them among thousands of manuscripts sealed in a cave around 1000 CE. Fragment P.2682, now at the Bibliothèque nationale de France, is titled Baize jingguai tu: “Bai Ze’s Diagrams of Spectral Prodigies.” Fragment S.6261 is held at the British Library. Both were copied in the ninth or tenth century. They contain descriptions of strange omens, malevolent ghosts, the damage they could cause, and methods of protection.

They do not contain an image of Bai Ze itself. The compendium’s author never made it into the compendium.

Hakutaku

The creature crossed to Japan during the Tang Dynasty cultural exchange. The Japanese name Hakutaku (白澤) is the on’yomi reading of the same Chinese characters.

In Japan, Bai Ze narrowed its specialty. Where the Chinese tradition emphasized broad supernatural knowledge, the Japanese tradition focused on disease protection. During the Edo period (1603-1868), Hakutaku paintings became popular as wards against illness. Printed amulets were carried by travelers. Paintings hung on temple and shrine doors.

The connection was tested in 1858, when a cholera epidemic swept through Edo (Tokyo) and killed approximately 30,000 people. Burial and cremation services could not keep up. Caskets lined the roads around the crematoriums. Citizens placed Hakutaku images on their headrests before sleeping, hoping the beast that knew all 11,520 spirits of the world might know how to stop this one.

A variant called kutabe appears in a legend from Toyama Prefecture. The creature descended from Mount Tateyama, warned villagers of an approaching plague, and taught them to make protective talismans. Hakutaku has been associated with medicine in parts of Japan ever since.

The Creature That Only Appears to the Worthy

Bai Ze’s rarest feature was its selectivity.

The beast appears only to rulers of exceptional virtue. This made it a political instrument. To claim you had seen a Bai Ze was to claim moral legitimacy on a cosmic scale. The creature confirmed that you deserved to rule. Its appearance served as an endorsement.

The inverse was also true. If Bai Ze did not appear, the ruler had not earned it. The creature’s absence was a verdict.

The image hung on millions of doors, carried on flags, pressed into amulets, and painted on silk across two thousand years of Chinese and Japanese history. The beast that spoke to the Yellow Emperor on the shore of the East Sea and named every ghost in the world stood for a specific idea: that knowledge of the invisible is the first defense against it. Know what haunts you, and learn its name. That is the protection.

Sources

Bibliography. The same list is held in the article’s frontmatter for the citation tools that read it programmatically.

• Ge Hong, Baopuzi (抱朴子), Dengshe chapter, c. 317-320 CE: earliest known textual reference to Bai Ze
• Kaiyuan Zhanjing (开元占经), 718-726 CE, Volume 116: cites the older Ruiying Tu for the Yellow Emperor encounter
• Dunhuang manuscript P.2682, Bibliothèque nationale de France: 9th-10th century copy of the Baize jingguai tu
• Dunhuang manuscript S.6261, British Library: second surviving fragment of the Bai Ze compendium