Mirror Tongue / Jing Mian She
Updated 2026-08-02
INTRODUCTION
English translation pending.
CORE DEFINITION
Mirror tongue (Jing Mian She) is a diagnostic tongue presentation in traditional Chinese medicine in which the tongue body is bright red, carries no visible coating, and is smooth enough to reflect light like a mirror. The coating is understood as vegetation produced by the steaming of stomach qi, so its complete absence indicates that stomach qi and stomach yin have dried up. It appears prominently in the warm-disease literature as a late-stage sign of fluid damage. It is a critical presentation indicating that digestive absorption has failed, and it carries a poor prognosis.
SCAFFOLDING EFFECT
Reduce cognitive load
- Desertification check: read absent tongue coating as bare ground where stomach qi no longer grows vegetation. - Depletion gauge: treat a glossy surface as end-stage exhaustion, not as cleanliness. - Prognosis flag: when coating vanishes entirely, expect failing absorption and escalate care.
Anchor fast decisions
The tongue coating is a visible by-product of stomach qi rising and steaming upward. When stomach yin and qi are exhausted there is no substrate left to produce coating, so the surface turns bare and glassy. Loss of coating therefore tracks loss of digestive reserve rather than hygiene. The shiny, easily damaged surface corresponds to atrophic mucosal change, so the polished look is a marker of tissue wasting, not of health.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
account_treeGenealogyexpand_more
menu_bookReferencesexpand_more
Source support: Explicit
- twwiki.nethttps://twwiki.net/wiki/7xovj4y40w2zv9w.htmlverified
PRIVATE NOTES · Only visible to you
SAVED Q&A
ENTRY Q&A · Private saving available
Ask with a clear boundary
thinkingmodels answers from published entry context only.
Your question is sent to thinkingmodels. The answer uses public entry context only.
RELATED MODELS