Combined with Er Chen Wan, Ping Stomach Pill has the efficacy of drying dampness, strengthening the spleen, resolving phlegm, regulating qi, broadening the chest and eliminating flatulence, and is clinically used in the treatment of spleen deficiency and phlegm obstruction, such as cough and phlegm, distension of the chest and epigastric region, nausea and vomiting, inability to think of food and drink, and swallowing of acid (swallowing of acid in the stomach that rushes upward to the mouth and pharynx), belching (hiccups), and so on. 1. Flat Stomach Pill: its main ingredients are atractylodes macrocephala, atractylodes macrocephala, tangerine peel, licorice, etc. It has the efficacy of drying dampness and strengthening the spleen, broadening the chest and eliminating flatulence, and is commonly used in the treatment of the symptoms of dampness of the spleen and stomach, such as inability to think about food and drink, distension and fullness of the epigastric region, nausea, vomiting and swallowing of acid and belching. The adverse reactions and contraindications of this product are not clear, and should not be taken by people with deficiency of spleen and stomach yin. 2. Er Chen Pill: Its main ingredients are Chen Pi, Pinellia, Poria, Glycyrrhiza glabra, which has the effects of drying dampness and resolving phlegm (removing phlegm from the body by drying dampness), regulating qi and harmonizing the stomach, and is used in the treatment of cough and phlegm caused by phlegm-dampness stagnation, distension of the chest and epigastric region, nausea and vomiting. The adverse effects and contraindications of this product are not clear, and it is not suitable for dry cough caused by lung yin deficiency. Ping stomach pill and Er Chen pill two drugs can play a dry dampness, strengthen the spleen to resolve phlegm, regulate qi, broaden the chest to eliminate flatulence, for spleen deficiency and phlegm obstruction symptoms such as cough and phlegm, chest and epigastric distension, nausea and vomiting, do not think of food and drink, acid belching and so on have certain effect. It should be noted that both contain tangerine peel and licorice, which may exceed the safe dosage when taken together, so it is not recommended to take them together, and the specific use of the drug should be in accordance with medical advice.