Bombyx mori L Fam Bombycidae


Bombyx mori L. (Fam. Bombycidae)

I. Whole body pharmaceutical name Calculus Bovis english name bezoar part used calculae from the gallbladder or bile duct

Calculus Bovis is produced chiefly in the northwest and northeast part of China and in the provinces of Henan, Hebei, and Jiangsu. It is ground for use in pills and powder.

flavor, property, and channel tropism

Bitter in flavor, cool in property, acts on the Liver and Heart channels.


Clears Pathogenic Heat, relieves convulsions by settling Internal Wind, resolves Phlegm, and restores consciousness.

clinical use and major combinations

For febrile diseases and infantile convulsion with high fever, delirium, spasms, and convulsions, it is used with Cinnabaris (Zhu Sha) or with Scorpio (Quan Xie) and Ramulus Uncariae Cum Uncis (Gou Teng) in "The Calculus Bovis Powder" (Niu Huang San).

For febrile diseases with invasion of the Pericardium by Heat, impairment of consciousness in febrile diseases and stroke, infantile convulsion, epilepsy, and mania.

For sore throat, ulcers in the mouth, carbuncles, and boils, it is used with Radix Scutellariae (Huang Qin) and Realgar (Xiong Huang) in "Bezoar Bolus for Resurrection" (An Gong Niu Huang Wan).

dosage and administration

0.15—0.35 g, used in bolus or powder. Appropriate quantity for external use.


Contraindicated in pregnancy and for use in patients with Excess Heat.

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