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Si jun zi tang (Four Gentlemen Decoction )---四君子汤

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Product Description

【组成】  人参(9g)  白术(9g)  茯苓(9g) 炙甘草(6g)
【功用】  益气健脾。
【主治】  脾胃气虚证面色恍白,语音低微,气短乏力,食少便溏,舌淡苔白,脉虚弱。
【歌诀】  四君子汤中和义,参术茯苓甘草比,益以夏陈名六君,祛痰补益气虚饵,除却半夏名异功,或加香砂气滞使。

Four Gentlemen Decoction si jun zi tang

[SOURCE]: Formulae of Peaceful Benevolent Dispensary

[INGREDIENTS]: Ginseng 12g, Bighead atractylodes rhizome 9g, Poria 9g, Roasted licorice root 6g

[DIRECTIONS]: Decoct all the ingredients in water for oral administration.

[EFFECTS]: Replenishing qi to invigorate the spleen.

[INDICATIONS]: Qi deficiency syndrome of the spleen and stomach with symptoms such as yellow complexion, low and weak voice, lassitude of limbs, poor appetite, loose stool, pale tongue, soft and weak pules.

[ANALYSIS OF FORMULA]: This is a basic formula for deficiency of the spleen and stomach. Ginseng with sweet flavor and warm property effects on the spleen and lung meridians, invigorating primordial qi and is the principal herb in this formula. Bighead atractylodes rhizome as an assistant herb with sweet and bitter flavor and warm property strengthens the spleen to dry dampness and in­vigorates the stomach to harmonize the middle. Poria with sweat flavor, excretes damp and strengthens the spleen. It assists bighead atractylodes rhizome in invig­orating the spleen function to remove dampness and is an adjuvant herb. Roasted licorice root with sweet flavor and warm property, replenishes qi and is used as a guiding herb to harmonize all herbs in the formula.

This formula is indicated to chronic gastritis, gastric and duodenal ulcer that are ascribable to qi deficiency of the Spleen and stomach.


(1)   Marvelous Effect Powder (yi gong san)

SOURCE:Paediatric Therapeutics.

It is composed of Four Gentlemen Decoction plus tangerine peel powder 9g. Take 6 grams each time. The powder with fresh ginger 5 pieces and two Chinese dates are decocted in water for oral administration. It has effects of strengthening the spleen, replenishing qi and harmonizing the stomach, and is used for deficiency of the spleen and stomach with symptoms such as poor appetite, stuffy chest,vomiting and diarrhea.

(2)   Six Gentlemen Decoction( liu jun zi tang)

SOURCE:Effective Formulae for Women.

It is composed of Four Gentlemen Decoction plus tangerine peel 9g and pinel- lia tuber 12g.

All the ingredients should be decocted in water for oral administra­tion.

Its effect is to strengthen the spleen and to stop vomiting.

It is used for qi de­ficiency of the spleen and stomach accompanied by symptoms of phlegm and damp, clinical manifestations are poor appetite, nausea, vomiting, stuffy chest and abdomen, loose stool or cough with profuse, white sputum, etc.

(3)   Aucklandia and Amomum Six Gentlemen Decoction(xiang sha liu jun zi tang)

SOURCE: Collection of Formulae with Notes.

Nutgrass flatsedge rhizome( At present, aucklandia root 6g is commonly used in place of nutgrass flatsedge rhizome) and Amomum fruit 6g are added to six Gentlemen Decoction, it is then called Aucklandia and Amomun Six Gentlemen Decoction.

It is decocted in water for oral administration. Its effects are to strengthen the spleen, harmonize the stomach, regulate qi and alleviate pain.

It is applied for qi deficiency of the spleen and stomach due to cold-dampness coagula­ting in the middle with symptoms, such as poor appetite, belching, distention oi pain of the abdomen, vomiting and diarrhea, etc.

Note:Four Gentlemen Decoction is the basic formula to repenish the spleen and stomach. Formulae mentioned above stem from it. Combination of Four Gen­tlemen Decoction and tangerine peel is called Marvelous Effect Powder, which is used most commonly in regulating qi and invigorating the spleen. When Pinellk tuber is added to it, it is named Six Gentlemen Decoction, which stresses on drying dampness and resolving phlegm. Six Gentlemen Decoction plus aucklandia rooi and amomum fruit is known as Xiangsha Six Gentlemen Decoction, and the effects of regulating qi and awakening the spleen becomes stronger.

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