Generally, the dosage of Chen Pi is 3 grams to 9 grams, but the specific dosage should be taken under the guidance of a doctor. Chenpi has the effect of drying dampness and resolving phlegm (removing phlegm from the body by drying dampness), regulating qi and strengthening the spleen (regulating qi and strengthening the spleen), and is often used in the treatment of epigastric (abdominal) distension and fullness, poor appetite and vomiting, coughing with excessive phlegm, etc. Chenpi is also known as orange peel, which is bitter, pungent and warm in nature. Chenpi, also known as orange peel, is bitter, pungent and warm in nature, and enters the lung meridian and spleen meridian. Chenpi has the effect of moving qi and is used for the distention and fullness in the abdomen and stomach caused by qi stagnation and qi reversal, vomiting and nausea, and can be combined with the Qi regulating medicines such as Citrus aurantium, Mucuna pruriens, and so on. In addition, pericarp can dry dampness and dissolve phlegm, regulate the lungs and relieve cough, used for cough and asthma caused by the loss of lung declination and internal stagnation of phlegm-dampness, can be combined with Hanxia, Poria, and other drying dampness and dissolving phlegm medicines. Chenpi is not recommended for those who have allergic history to it. If necessary, please use under the guidance of a professional Chinese medicine practitioner.