Qian Zheng San

Star

牵正散 (Lead to Symmetry Powder)

Source: Yang Shi Jia Cang Fang (1178)

Last updated October 1, 2026

Not yet clinically reviewed

facial paralysisfacial muscle spasm from wind stirring accumulated phlegmepilepsy due to wind and phlegm (clinical use)

Description

Qian Zheng San (Lead to Symmetry Powder), from the Yang Shi Jia Cang Fang, is used to expel wind and phlegm; relieve spasm.

Presentation: facial paralysis; facial muscle spasm from wind stirring accumulated phlegm; epilepsy due to wind and phlegm (clinical use).

Syndrome: Syndromes caused by external wind, damp, cold or heat.

Composition strategy:

very small but strong and quick formula focused on wind-phlegm of the face
warm alcohol spreads the substances to the affected region and acts as assistant and envoy

Cautions:

Bai Fu Zi and Quan Xie are very poisonous; control dose and treatment course carefully

Source: Yang Y. Chinese Herbal Formulas: Treatment Principles and Composition Strategies. Churchill Livingstone Elsevier, 2010, p. 343.

Composition

Herb	Amount	%	Role	Function
Bai Fu Zi toxic mark * in source; as printed: Bai Fu Zi (Typhonii rhizoma praeparatum)	g	—	Jun (Chief)	disperses wind and eliminates phlegm in collaterals, especially the face
Jiang Can as printed: Jiang Can (Bombyx batrycatus)	g	—	Chen (Deputy)	expels wind, invigorates collaterals, relieves spasm
Quan Xie toxic mark * in source; as printed: Quan Xie (Scorpio)	g	—	Chen (Deputy)	expels wind, invigorates collaterals, relieves spasm

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Dui Yao — Core Herb Pairs

The classical two-herb combinations at the heart of this formula, as recorded on the herbs' own pages — each pair has an action neither herb has alone.

Bai Fu Zi白附子 + Jiang Can僵蚕

Expels wind-phlegm from the face and channels while extinguishing wind and stopping spasms.

Facial paralysis (deviation of mouth and eye).

Bai Fu Zi白附子 + Quan Xie全蝎

Expels wind-phlegm while strongly extinguishing wind and unblocking the collaterals.

Facial paralysis; both are toxic.

Jiang Can僵蚕 + Quan Xie全蝎

Together they extinguish wind, transform phlegm and stop spasms in the channels of the face, treating wind-phlegm obstructing the collaterals.

Facial paralysis with deviation of the mouth and eyes; the formula also contains Bai Fu Zi.

Preparation

Equal amounts powdered and taken with warm alcohol

Relationships

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Traditional formula information is for educational purposes only. Herbal formulas should be prescribed by a qualified practitioner — dosages and combinations are individualized and can interact with medications.

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