Because of the warm nature of Chenpi, so if you drink Chenpi water for a long period of time may hurt the fluid to appear constipation, but soaking water may not be able to completely analyze the active ingredients of Chenpi, so the titillation leisure is limited. In addition, it should also be clear whether there are other factors that cause constipation during the period of taking Chenpi water, such as eating less fruits and vegetables. Chenpi is the dried mature fruit peel of orange and its cultivated varieties in the family of Rutaceae. It is bitter, pungent and warm in nature. It belongs to the lung and spleen meridians. It can regulate qi and strengthen the spleen, dry dampness and resolve phlegm (dispel phlegm in the body with drugs that dry dampness). It is used for distention and fullness in the epigastrium (abdomen), poor appetite and vomiting and diarrhea, and coughing with excessive phlegm. Because of the warm nature of Chenpi, it should be taken with caution in cases of deficiency of qi, dry cough with deficiency of yin, vomiting of blood, and those with red tongue and little fluid, and those with solid internal heat. Patients are advised to seek medical advice to clarify the cause of the disease and then deal with it.