Orange peel is also known as Chen Pi. Chen Pi has the effects of drying dampness and regulating the middle, regulating qi to resolve phlegm (regulating the body’s qi to resolve phlegm), and is mainly used for treating vomiting, inappetence, chest and abdominal distension, and coughing with excessive phlegm. Tangerine peel belongs to the qi regulating medicine, and it enters the spleen meridian and lung meridian. Tangerine peel is pungent, bitter and warm in nature. 1. Qi stagnation: tangerine peel has the effect of promoting qi, used for qi stagnation and qi reversal caused by the epigastric distension, vomiting and nausea, can be combined with Citrus aurantium, wood and other qi medicines. 2. Phlegm and cough: Pericarp can dry dampness and resolve phlegm (dispel phlegm in the body by drying dampness), regulate the lungs and relieve cough, used for coughing and wheezing caused by the loss of lung declination and phlegm-dampness, can be combined with Hanxia, Poria and other drying dampness and phlegm removing medicines. The adverse effects of orange peel are not clear. If needed, please use under the guidance of a professional Chinese medicine practitioner.