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  2. 小青龙汤



Minor Decoction of Green Dragon

  1. Xiao Qinglong Tang
  2. 小青龍湯
  3. Minor Decoction of Green Dragon

The Prescription of 小青龙汤


The book Shang Han Lun



Ma Huang and Gui Zhi: The principal drugs, inducing diaphoresis to relieve exterior syndrome, facilitating the flow of the lung-Qi to relieve asthma.

Gan Jiang and Xi Xin: Warming the lung to reduce watery phlegm, assisting Ma Huang and Gui Zhi in relieving exterior syndrome.

Wu Wei Zi: Astringing Qi.

Shao Yao: Nourishing blood.

Ban Xia: Lowering the adverse flow of Qi by means of removing phlegm and regulating the stomach.

Zhi Gan Cao: Supplementing Qi and regulating the stomach, tempering the actions of all the other ingredients.

The Effect of 小青龙汤


Inducing diaphoresis to reduce watery phlegm, relieving cough and asthma.


Syndrome due to the stagnation of wind-cold pathogens in the exterior and water retention in the interior, marked by aversion to cold, fever, no sweat, dyspnea, cough, profuse thin sputum, difficulty in lying down, or general pain and heavy sensation, swelling of face and limbs, whitish slippery tongue coating and floating pulse; including such diseases with
the above symptoms as chronic bronchitis, bronchial asthma, senile emphysema, etc.


Decocted in water for oral dose to be taken 3 times.


Drugs in this prescription are pungent in flavor and dry in nature, so this prescription is contraindicated for syndromes marked by cough without sputum or with yellowish thick sputum and dryness of the mouth and throat.