Chenpi water, if decocted as Chenpi, has the effects of drying dampness and resolving phlegm (removing phlegm from the body with dampness-drying medicines), regulating qi and strengthening the spleen (regulating qi and strengthening the spleen). If it is brewed as tea, the active ingredients are limited and generally do not achieve the therapeutic effect. This product is suitable for dampness and phlegm, spleen and stomach qi stagnation certificates. Chen Pi, also known as Tangerine Peel and Guang Tangerine Peel, is warm in nature, pungent and bitter in flavor, and belongs to the spleen and lung meridians. Chen Pi is suitable for symptoms of Qi stagnation in the spleen and stomach, cough with cold phlegm, vomiting, eructation (hiccup), and damp phlegm. The adverse reactions and contraindications of this product are not clear at present. Precautions should be taken with caution in cases of internal solid heat, dry cough with yin deficiency, qi deficiency, vomiting of blood and red tongue with little fluid. If this product is used with other drugs, drug interactions should be considered. If you need to achieve the role of the treatment of disease, under the guidance of a physician to use the drug. Patients are advised to seek prompt medical attention if they feel unwell.