Traditional Chinese Medicine Healing Herbs(TCMHH)

Wind-Damp-Dispelling, tendons-Soothing and Collaterals-Activating Herbs

Silkworm Excrement

Can Sha 蚕沙 蚕砂 晚蚕沙 Wan Can Sha 蠶沙 蠶砂 晚蠶沙
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
Silkworm Excrement
Silkworm Excrement
Advertisement

Can Sha

Can Sha2

Name

Can Sha (Silkworm Excrement)

The Effect of Silkworm Excrement

Property

Sweet, pungent, warm; liver, spleen and stomach meridians entered.

Actions

Dispel wind-damp, remove dampness for harmonizing stomach.

Indications

Arthralgia syndrome due to wind-damp; vomiting, diarrhea and spasm of muscle; rubella, eczema, pruritus.

Dosage and Administrations

5~15 g, wrapped with colth and decocted in water. Proper dosage is for topical administration.

Advertisement

Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

Did this article help you?

Your answer shapes what gets rewritten next.

Keep readingRelated entries

Something this article did not cover?

Ask us directly. We reply within two days, and good questions become public articles.

Ask a question →