Individual Herbs Notebook

Bian Fu

Pharmaceutical: Vespertilio
Taxonomy: Vespertilio

Other names: Vesper Bat / Frosted Bat

Category: Obsolete Substances



Properties: Salt, neutral

Meridans Entered:
Primary: Liver


Traditional Actions/Indications:
  1. Directs Qi downwards
    Chronic cough and asthma
  2. Promotes urination
    Stranguria
  3. Soothes the Liver and improves eyesight
    Nebula
    In ancient times it was worshipped as a divine medicinal and described as having some miraculous effects. Some Daoists took bat eyes and gall in the hope of acquiring special physical abilities, particularly good eyesight and night vision.
  4. Resolves Toxicity
    Incised wounds
    Scrofula
    Malaria
    Infantile malnutrition
    Gonorrhoea
  5. Aids fasting
    Mentioned in the Shen Nong Ben Cao Jing as Fu Yi (伏翼 "concealed wing") as part of the middle class of animal parts which can, with protracted taking, make one happy, elevated, and worry-free. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Suggested Daily Dosage: Made into powder or pills.


Cautions: Do not take overdose.

Has been relegated to Obsolete Substances due to likelihood of it being the source of over 60 zoonotic viral diseases, including being suspected as the origin of SARS and SARS-CoV-2 (Cui, Li & Shi, 2019) as well as the Ebola, Marburg, Nipah and Hendra viruses.


Does not appear in any formulae listed on this site
Research Links & References: (click to display)