Traditional Chinese Medicine Healing Herbs(TCMHH)

Prescriptions for Checking the Upward Adverse Flow of Qi

Si Mo Tang (四磨汤)

Simo Tang 四磨湯
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
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Name

Decoction of Four Powdered Drugs

The Prescription of 四磨汤

Source

The book Ji Sheng Fang

Ingredients

Ren Shen (Radix Ginseng) 3 g,Chen Xiang (Lignum Aquilariae Resinatum) 3 g,Bing Lang (Semen Arecae) 9 g,Tian Tai Wu Yao (Radix Linderae) 9 g.

Explanation

Wu Yao: Promoting the flow of Qi and soothing the liver so as to remove stagnancy.

Chen Xiang: Checking upward adverse flow of the lung-Qi to relieve asthma.

Bing Lang: Promoting the flow of Qi and removing stagnated food to alleviate fullness.

Ren Shen: Invigorating Qi and supporting the body resistance.

The Effect of 四磨汤

Effect

Promoting the flow of Qi and checking its upward flow, facilitating the flow of Qi throughout the chest and removing stagnancy.

Indications

Syndrome due to depression of the liver-Qi, marked by restlessness in the chest, dyspnea, fullness in the epigastric region, poor appetite, pale tongue with whitish coating, and deep taut pulse; including such diseases with the above symptoms as hepatitis, cholecystitis, periarthritis of shoulder and mastitis.

Administrations

Decocted in water for oral dose to be taken twice.

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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.

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