Chenpi has the effects of strengthening the spleen and regulating qi, drying dampness and resolving phlegm (removing phlegm from the body with drugs that dry dampness). The active ingredients in the water are limited and generally do not achieve the therapeutic effect. The effects of strengthening the spleen and regulating qi are mostly used to treat nausea, vomiting, hiccups, bloating, stomach pain, anorexia, fatigue, diarrhea and other conditions caused by stagnation of qi in the spleen and stomach, and weakness of the spleen and stomach. The effect of drying dampness and resolving phlegm is mostly used in the treatment of cold phlegm cough, damp phlegm cough and other conditions. The adverse effects of Chenpi are not clear, because the nature of warm, for the Yin deficiency of the body is prohibited to take. Insufficient body fluid, spontaneous sweating (involuntary sweating during the day, a little movement sweating aggravated), yin deficiency cough, cough and wheezing, vomiting blood, fluid depletion of the disease, it is not recommended to take a long time to take a large dose of Chen Pi water. It is recommended that according to their own constitution and condition, follow the doctor’s advice to choose the appropriate therapeutic drugs to regulate.