Source: Taiping Huimin Hejiju Fang (Benevolent Prescriptions from Taiping Pharmaceutical Bureau).

Ingredients:
No. 1 Cangzhu (Rhizoma Atractylodis) 2 500 g;
No. 2 Houpo (Cortex Magnoliae Officinalis) 1 560 g;
No. 3 Chenpi (Pericarpium Citri Reticulatae) 1 560 g;
No. 4 Zhigancao (Radix Glycyrrhizae Praeparatae) 900 g.

Administration:
Grind the above drugs into fine powder; then decoct 6 - 9 g at one time with 2 slices of fresh ginger and 2 pieces of Chinese dates in water for oral application.
  
Actions:
Drying dampness and invigorating the spleen, promoting the flow of qi and regulating the stomach.
 
Clinical Application:
This recipe is indicated for dampness retention in the spleen and stomach, marked by abdominal fullness, anorexia, tastelessness, nausea and vomiting, belching and regurgitation, heaviness of the body, lassitude and sleepiness, thick greasy whitish fur, slow pulse. It is applicable to chronic gastritis, dysfunction of digestive tract, gastroduodenal ulcer, and others that have chief manifestations as abdominal fullness and greasy whitish fur and are ascribed to dampness retention in the spleen and stomach. In case of heat transformed from dampness with bitter and dry mouth and greasy yellowish fur, add Huanglian (Rhizoma Coptidis) and Huangqin (Radix Scutellariae) to clear away heat-dampness.

If concomitant with interior cold syndrome manifesting cold sensation in the abdomen, loose stool, and aversion to cold with preference for warmth, adds Ganjiang (Rhizoma Zingiberis) and Caodoukou (Semen Alpiniae Katsumadai) to warm and dispel cold-dampness. If concomitant with disharmony between the spleen and stomach manifesting poor digestion, add Shenqu (Massa Fermentata Medicinalis), Shanzha (Fructus Crataegi) and Maiya (Fructus Hordei Germinatus) to promote digestion. In case of diarrhea due to excessive dampness, add Fuling (Poria) and Zexie (Rhizoma Alismatis) to promote diuresis and relieve diarrhea.
 
Elucidation:
The syndrome is caused by dampness in the middle energizer, disorder of qi function, dysfunction of the spleen and stomach. It should be treated by drying dampness and reinforcing the spleen, promoting flow of qi and regulating the stomach. With large dosage, No. 1 is used as monarch drug to eliminate dampness and activating the spleen. No. 2 has the function of eliminating dampness and promoting the circulation of qi and functions as minister drug, which can not only enhance the effect of the monarch drug but also relieve abdominal fullness.

As adjuvant drug, No. 3 promotes the flow of qi and regulates the stomach. It assists No. 2 in promoting the flow of qi to relieve abdominal fullness and strengthens the effect of No. 1 in eliminating dampness and regulating the middle-energizer. No. 4 serves as guiding drug, mediating the properties of other drugs. Fresh ginger and Chinese dates are meant respectively to regulate the stomach and reinforce the spleen so that the effect of regulating the spleen and stomach is further enhanced.

Cautions:
This recipe is contraindicated for those with deficiency of the spleen and stomach or usual deficiency of yin.