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Prescription for Clearing away Summer-heat by Expelling Pathogenic Heat

Gui Ling Gan Lu San (桂苓甘露散)

桂苓甘露散 Guiling Ganlu San Gui Ling Gan Lu Yin 桂苓甘露饮
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
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Name

Decoction of Cinnamom Twig and Poria

The Prescription of 桂苓甘露散

Source

The book Xuan Ming Lun Fang

Ingredients

Fu Ling (Poria) 30 g,Gan Cao (Radix Glycyrrhizae) 6 g,Bai Zhu (Rhizoma Atractylodis Macrocephalae) 12 g,Ze Xie (Rhizoma Alismatis) 15 g,Rou Gui (Cortex Cinnamomi) 3 g,Shi Gao (Gypsum Fibrosum) 30 g,Han Shui Shi (Calcitum) 30 g,Hua Shi (Talcum) 30 g,Zhu Ling (Polyporus) 15 g.

Explanation

Hua Shi: The principal drug, being sweet and tasteless in flavor and cold in nature, clearing away heat, eliminating dampness by inducing diuresis.

Shi Gao and Han Shui Shi: Expelling summer-heat.

Rou Gui: Promoting Functional activity of the Qi of the lower-Jiao.

Zhu Ling, Fu Ling and Ze Xie: Inducing diuresis.

Bai Zhu: Strengthening the spleen.

Gan Cao: Tempering the actions of all the other ingredients, working together with Hua Shi to enhance the elimination of heat and promotion of diuresis.

The Effect of 桂苓甘露散

Effect

Clearing away summer-heat, promoting functional activity of Qi, inducing diuresis.

Indications

Syndrome due to affection of summer-heat and dampness, marked by fever, headache, restlessness, thirst with desire for drinking, dysuria, and severe vomiting and diarrhea, including such diseases with the above symptoms as sunstroke and common cold ofgastrointestinal type in summer.

Administrations

Ground into powder, 9 g or which is taken after being mixed with warm liquid each time. 2 times daily. Liquid of Sheng Jiang is preferable.

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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.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

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