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Ping Wei San (Calm the Stomach Powder)

Previous Formula in CategoryNext Formula in Category Formula 6 of 23 in Formulas that Expel Dampness


  • Formulas that Promote Urination and Leach out Dampness


  • Damp Cold stagnation in the Middle Jiao


  • Dries dampness and strengthens the Spleen
  • Activates and regulates the Spleen and Stomach Qi.
  • Harmonizes the middle Jiao.


  • Fullness and distention in the abdomen and epigastria
  • Loss of appetite and taste.
  • Indigestion, nausea, vomiting, loose stool, belching and acid regurgitation.
  • Heavy sensation of the limbs, a desire to sleep, and fatigue.

Possible Tongue Appearance:

  • Swollen tongue with teeth marks and thick white greasy coat

Possible Pulse Patterns:

  • Slippery and possibly slow pulse

Western Uses:

  • Acute and Chronic Gastroenteritis
  • Functional Gastric Neurosis
  • Peptic Ulcer Disease
  • Infantile Indigestion
  • Induce Labor

Cautions, Contraindications, Herb Drug Interactions:

  • This formula is warm and drying and should be modified (or not used) in cases of Yin and Blood deficiency or pregnancy

Preparation Notes:

  • Decoction.

Originally Appeared In:

  • Imperial Grace Formulary of the Tai Ping Era (Tai Ping Hui Min He Ji Ju Fang)

Combined Channels of all herbs in this formula:

  • Stomach, Spleen, Lungs, Large Intestine

Substances in this Formula (6 Total):

Cang Zhu (Rhizoma Atractylodis)
Cang Zhu (Black Atractylodes Rhizone) 苍术
Qty: 12-15 grams
Chan: SP, ST
Prop: Spicy, Bitter, Warm, Aromatic
Latin: Rhizoma Atractylodis
Cat: Aromatic Herbs that Transform and Dissolve Dampness
Hou Po (Cortex Magnoliae Officinalis)
Hou Po (Magnolia Bark) 厚朴
Qty: 9-12 grams
Chan: LI, LU, SP, ST
Prop: Bitter, Spicy, Warm, Aromatic
Latin: Cortex Magnoliae Officinalis
Cat: Aromatic Herbs that Transform and Dissolve Dampness
Chen Pi (Pericarpium Citri Reticulatae)
Chen Pi (Orange Peel, Citrus Peel, Tangerine Peel) 陈皮
Qty: 9-12 grams
Chan: LU, SP, ST
Prop: Spicy, Bitter, Warm, Aromatic
Latin: Pericarpium Citri Reticulatae
Cat: Herbs that Regulate the Qi
Zhi Gan Cao (Radix Glycyrrhizae)
Zhi Gan Cao (Honey Fried Licorice Root) 炙甘草
Qty: 3-6 grams
Chan: All 12 Channels
Prop: Sweet, Warm
Latin: Radix Glycyrrhizae
Cat: Herbs that Tonify Qi
Sheng Jiang (uncooked Rhizoma Zingiberis)
Sheng Jiang (Fresh Ginger Rhizome) 生姜
Qty: 3 grams
Chan: LU, SP, ST
Prop: Spicy, Warm
Latin: uncooked Rhizoma Zingiberis
Cat: Warm, Spicy Herbs that Release the Exterior
Da Zao (Fructus Zizyphi Jujubae)
Da Zao (Date, Jujube) 大枣
Qty: 3 pieces
Chan: SP, ST
Prop: Sweet, Warm
Latin: Fructus Zizyphi Jujubae
Cat: Herbs that Tonify Qi
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