What is Cang Tou Shi?

李淳风 · 约公元650年

Cang Tou Shi (藏头诗, "Hidden-Head Poem") is traditionally attributed to Li Chunfeng, the imperial astronomer of the Tang dynasty (circa 7th century). Emperor Taizong summoned Li Chunfeng and asked: "My realm is now somewhat settled. Who shall be the first to bring ruin to my dynasty?" Li Chunfeng responded with cryptic verse and riddles, prophesying the rise and fall of dynasties after the Tang. The name "Hidden-Head" refers to its method of concealing prophecies within veiled language.

The entire work takes the form of a dialogue: Emperor Taizong asks questions and Li Chunfeng responds. Beginning with Wu Zetian's usurpation of the Tang, the prophecies proceed through the Five Dynasties, Song, Yuan, Ming, and Qing. Each segment uses metaphors and character puzzles to allude to historical figures and events — for example, "the weapon never leaves the body, two eyes forever in the sky" encodes the characters "Wu" (武) and "Zhao" (曌), referring to Empress Wu Zetian.

Li Chunfeng is also co-author of the Tui Bei Tu (推背图), and the two works echo each other in content. Scholars widely debate the authenticity and date of Cang Tou Shi, with some believing the surviving text was supplemented in later centuries. Nevertheless, as an important part of Chinese prophetic culture, it stands alongside the Tui Bei Tu and Shaobing Song as one of the most widely circulated prophetic texts, holding significant value for cultural research.

Core Message
"Heaven's secrets must not be revealed — to reveal them invites calamity." — Li Chunfeng to Emperor Taizong
Key Timeline
  • Wu Zetian's usurpation — 'The weapon never leaves the body' alludes to the Wu clan seizing power
  • An Lushan Rebellion — 'Born from Yang, ended by Guo'
  • Founding of Song — 'A true dragon descends' refers to Zhao Kuangyin
  • Mongol invasion — 'A ruler with one-wu' alludes to the Yuan dynasty
  • Rise of Ming — 'Sun and moon march together' encodes the character Ming (明)
  • Qing conquest — 'A ruler with Eight Banners ever present'
Data Sources
  • Original text sourced from folk-transmitted versions of Cang Tou Shi; authenticity and date of composition remain debated (Wikipedia)
  • Cang Tou Shi and Tui Bei Tu are both attributed to Li Chunfeng; the two works echo each other in content (Baidu Baike)
  • Verification based on historical records and public sources; editorial opinions do not represent academic consensus
  • Site icon: scroll with hidden character motif — 'Hidden-Head' means prophecies concealed within verse, and the scroll symbolizes ancient texts carrying prophecy

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