The way to make water with Chen Pi can be to use boiling water to simmer the lid for a few moments and then drink it, but pay attention to avoid scalding, it is recommended to ask the doctor to use it, and should not be self-medicated. Chenpi is warm in nature, pungent and bitter in flavor, and has the functions of regulating qi and regulating the middle, regulating qi and strengthening the spleen (regulating qi and strengthening the spleen), and drying dampness and resolving phlegm (dispelling phlegm in the body with drying dampness medication). It can be used in treating distension and pain in the epigastrium (abdomen) caused by water-dampness obstruction, stuffiness in the chest, inability to think about food and drink, vomiting, and eructation (hiccup), etc. It can also be used in treating cough and phlegm caused by phlegm-dampness obstruction of the lungs and stuffiness in the chest and diaphragm. The adverse effects of this product are not clear, note that Chen Pi is pungent and warm, and should be used with caution in case of deficiency of qi or yin. Pericarpium Citri Reticulatae should be taken in decoction, if it is taken in water, the active ingredients are limited, and the therapeutic effect is generally not achieved. Patients who are not feeling well are advised to consult a doctor in time to avoid delaying their condition.