San Huang Xi Ji

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Source: Wai Shang Ke Xue

Last updated October 1, 2026

Not yet clinically reviewed

Description

San Huang Xi Ji (Three Yellows Wash Formula), from External Injury Science (Wai Shang Ke Xue).

Actions: Clear heat and resolve toxins, dry dampness, and relieve itching. Indicated for the treatment of acute skin diseases or furuncles (boils) due to damp-heat, with scorching swelling, and itch of skin, or blistering, and yellow fluid effusion

Indications: Shake it evenly before applying externally since it has sediment

Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, pp. 861–873.

Composition

Herb Amount % Role Function
Da Huang
as printed: Radix et Rhizoma Rhei (da huang)
g — —
Huang Bai
as printed: Cortex Phellodendri Chinensis (huang bai)
g — —
Huang Qin
as printed: Radix Scutellariae (huang qin)
g — —
Ku Shen
as printed: Radix Sophorae Flavescentis (ku shen)
g — —

Preparation

Grind the ingredient into fine powder, use 10–15 g powder each time, add distilled water 100 mL, and phenol 1 mL, then dip the solution with cotton swab and apply the affected area, 4–5 times a day

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Formula family

Contained in Fu Fang Ba Zheng San = this + Long Dan Xie Gan Tang + Liu Yi San + Bian Xu, Deng Xin Cao, Fu Ling and 7 more
Full herb lists
  • Fu Fang Ba Zheng San = this formula + Long Dan Xie Gan Tang + Liu Yi San + Bian Xu, Deng Xin Cao, Fu Ling, Hong Hua, Niu Xi, Qu Mai, She Chuang Zi, Tao Ren, Wu Yao and Yi Yi Ren

Each entry reads as the larger formula written out: “+” adds its other catalogue cores, then the herbs none of them hold. A catalogue formula counts as a core only when at least 80% of its herbs are present, no more than 1 is absent, and the absent herb is not its chief.

Formula Network

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Similar Formulas by composition

Match score combines dosage-weighted composition (cosine, 70%) with shared-herb overlap (Jaccard, 30%).

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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