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Prescriptions for Calming Endogenous Wind

Zhachan San: Classic TCM Formula

Zha Chan San 蚱蝉散
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
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Name

The Prescription of Zhachan San

Source

The book Tai Ping Sheng Hui Fang

Ingredients

Zha Chan 15 gFu Shen 15 gLong Chi 23 gMai Dong 15 gRen Shen 23 gGou Teng 15~23 gNiu Huang 6 gShe Tui 17cm (stir-bake it into charcoal and then pound into powder)Xing Ren 15 g

Explanation

Zha Chan: Clear heat and relieve convulsion.

Mai Dong and Fu Shen: Calm heart and induce tranquilization.

Niu Huang: Clear heart-fire and remove toxicity, expel wind and relieve convulsion.

Gou Teng: Extinguish wind and stop spasm, clear liver heat and pacify liver.

She Tui: Dispel wind and induce tranquilization.

Long Chi: Clear heat, relieve restlessness, relieve convulsion and induce tranquilization.

Ren Shen: Powerfully reinforce qi and induce-tranquilization mind.

Xing Ren: Relieve convulsion.

The Effect of Zhachan San

Indications

Infantile convulsion caused by wind-heat.

Administrations

All the drugs except Long Chi and Niu Huang are pounded into powder. Add Long Chi and Niu Huang into the powder and pounded into fine powder. 1.5 g of the powder is taken each time with Jing Hua Shui.

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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.

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