Whether you can drink Chen Pi in water for stomach pain needs to be divided into circumstances, when stomach pain is caused by Qi stagnation and phlegm obstruction, you can drink Chen Pi in water. Pericarp is mainly made of dried mature fruit rind into medicine, its nature is bitter, pungent, warm, can enter the lung and spleen meridians, has the effect of regulating qi and strengthening the spleen, drying dampness and resolving phlegm (drying dampness to dispel dampness and resolving phlegm evils). It can be used clinically to treat symptoms such as poor appetite and diarrhea, distention and fullness in the epigastrium (abdomen), and cough with excessive phlegm. Pericarpium Citri Reticulatae is usually taken as a decoction in soup, and drinking it in water may affect the therapeutic effect due to the limited release of the active ingredients. The adverse effects of Chen Pi are not clear, and it is not suitable for people with Qi deficiency or Yin deficiency and dry cough, and should be taken with caution in cases of vomiting blood. When patients have stomach pain that is difficult to relieve, they should consult a doctor for diagnosis in time to avoid delaying their condition. In addition, Chen Pi needs to be used under the guidance of traditional Chinese medicine, and should not be used blindly on its own.