Xinhui Pericarp is produced in Xinhui District, Guangdong. Its effects include drying dampness and resolving phlegm (removing phlegm from the body by drying dampness), regulating qi and relieving pain (relieving pain by unblocking qi), strengthening the spleen and harmonizing the middle, and is used in treating symptoms of stagnation of qi in the spleen and stomach as well as chest paralysis (stuffy pain in the chest). Pericarpium Citri Reticulatae is a plant-based Chinese medicine produced in Xinhui, Guangzhou. It is warm in nature, pungent and bitter in flavor, and belongs to the spleen and lung meridians. The effects of Chen Pi are to regulate qi and relieve pain (relieving pain by unblocking qi), strengthen the spleen and harmonize the middle Jiao, and dry dampness and resolve phlegm (removing phlegm in the body by drying dampness). It is mainly used for chest paralysis (chest pain) (chest pain, episodes of suffocation), spleen and stomach qi stagnation syndrome (gastric and epigastric constipation, loss of appetite, etc.), eructation (hiccups) (hiccups), vomiting, damp phlegm, and coughing with cold phlegm. The adverse reactions and contraindications of Chen Pi are not clear at present. Attention to vomiting blood evidence and tongue redness and less fluid, Qi deficiency, internal solid heat, Yin deficiency dry cough should be taken with caution. If used with other drugs, consult a physician first. If you have a need for Chen Pi, you should use the medication under the guidance of a traditional Chinese medicine practitioner, do not take it on your own to avoid adverse consequences.