It is not recommended to take Chen Pi for people with internal solid heat, Yin deficiency and dry cough, or Qi deficiency syndrome. Chen Pi has the effects of regulating qi and strengthening the spleen (regulating qi and strengthening the spleen), drying dampness and resolving phlegm (removing phlegm by drying dampness), and is used in treating distention and fullness in the stomach and abdomen, low food intake and vomiting, and coughing with profuse phlegm. Please follow the doctor’s instructions. 1. Qi stagnation: Pericarpium Citri Reticulatae has the efficacy of promoting the flow of qi, and is used for the distention and fullness of the epigastrium (abdomen) caused by stagnation of qi and qi retrogression, vomiting and nausea, and can be combined with Hovenia Citri Reticulatae and Mucuna Pruriens. 2. Phlegm and cough: Chenpi can dry dampness and dissolve phlegm, regulate the lungs and stop cough, used for cough and wheezing caused by loss of lung declination and internal stagnation of phlegm and dampness, can be combined with Hanxia, Poria and other drying and dampness and dissolving phlegm drugs. In addition, modern medical research has found that Chenpi can be used to treat sleep apnea hypoventilation syndrome and posterior circulation ischemic vertigo. If there is a need for Chen Pi, it should be applied under the guidance of traditional Chinese medicine practitioners, and should not be taken on its own to avoid adverse consequences.