Xiao Yao San

Chinese herbal medicine formula


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(World Health Organization)

List of conditions treatable by Chinese Medicine & Acupuncture




Xiao Yao San soothe Liver Qi, strengthen Spleen, nourish blood


Xiao Yao San tai ping hui min he ji ju fang (powder dosages)

Chai Hu (radix burpleuri)30g [soothe Liver Qi]

Dang Gui (radix angelicae sinensis)30g [nourish Blood, aromatically affects the Qi of the Blood]

Bai Shao (radix paeoniae lactiflorae)30g [nourish Blood]

Bai Zhu (rhizome atractylodis macrocephalae)30g [strengthen Spleen]

Fu Ling (sclerotium poriae cocos)30g [strengthen Spleen]

Zhi Gan Cao (honey fried radix glycyrrhizae uralensis)15g [harmonizes mid Jiao]

*taken in 6-9g doses in a draft made from 6g roasted ginger (wei jiang) and 3g of peppermint (bo he). The ginger helps stop the Stomach Qi from rebelling, and the Bo He helps Chai Hu to soothe the Liver Qi.


Indications: Liver Qi stagnation with Blood deficiency causing hypochondriac pain, headache, vertigo, PMS, painful breasts, bitter taste in mouth, dry mouth and throat, T- pale purple, P- wiry thin. When the Liver is stagnated, it overacts on the Spleen causing a deficiency which in turn worsens the Blood deficiency. This shows as poor appetite, fatigue, bloating.

Commonly used for gynecological disorders showing stagnation, Blood deficiency, and Spleen deficiency.

To strengthen the Blood nourishing action of this formula, substitute Sheng Di Huang (15g) for Bai Zhu (Hei Xiao Yao San).


Back to Chinese Herbal Medicine Formulas Home Page




Benskey & Gamble 1993, Chinese Herbal Medicine Formulas and Strategies, Seattle Washington, Eastland Press Inc.


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