Pericarp in water has the effect of strengthening the spleen and regulating qi, drying dampness and resolving phlegm (to dispel phlegm in the body with drugs that dry dampness), and the effect does not differentiate between men and women. Chenpi is warm in nature and is not recommended to be taken for a long period of time, so as not to help heat and injure the body. Chenpi is the dried mature fruit peel of Citrus sinensis and its cultivated varieties in the family of Rutaceae. It is mainly used for the treatment of fullness in the chest and epigastric region, poor appetite, vomiting and eructation (hiccup), diarrhea, damp phlegm, cold phlegm cough, coughing up more phlegm, and so on. Avoid eating cold, sticky and phlegm-damp food during the period of taking the medicine; caution should be exercised in cases of qi deficiency, yin deficiency and dry cough, vomiting of blood, as well as those with red tongue and little fluid, and those with solid heat in the body. Chenpi water is limited to the active ingredients, it is difficult to achieve the effect of treatment of disease. Patients with discomfort should consult a doctor in time, under the guidance of a professional Chinese medicine practitioner to standardize the treatment.