No side effects have been observed if Chen Pi is taken symptomatically. Chen Pi is a Chinese medicine with the effects of strengthening the spleen and drying dampness (strengthening the spleen to get rid of dampness), regulating qi and resolving phlegm (regulating the body’s qi to resolve phlegm), and is recommended to be taken according to doctor’s advice. Pericarpium Citri Reticulatae has the efficacy of moving qi, and is used for the distension and fullness of the epigastrium (abdomen) caused by qi stagnation and qi reversal, vomiting and nausea, and can be combined with other qi regulating herbs such as Citrus aurantium and Mucuna Pruriens. Chenpi can dry dampness and dissolve phlegm (dispel phlegm in the body with dampness-drying drugs), regulate the lungs and relieve cough, used for cough and asthma caused by the loss of lung declination and internal stagnation of phlegm-dampness, which can be combined with drying dampness and dissolving phlegm such as hemixia, poria, and other drying dampness and dissolving phlegm medicines. Modern clinical findings, Chen Pi can be used to treat sleep apnea hypoventilation syndrome, posterior circulation ischemic dizziness. Patients who are allergic to tangerine peel should take it with caution. Avoid sticky, cold and phlegm-producing food while taking the medicine.