Senna can not drink every day, in the scope of the indications can be taken according to the needs of the disease, but the disease should be immediately discontinued, in order to avoid vomiting, diarrhea and other side effects. Senna is a Chinese medicine, sweet, bitter, cold, into the large intestine, with diarrhea, stagnation, laxative, diuretic effect, the main treatment of stagnation and bloating, constipation, edema and fullness. It can be taken in moderation within the scope of indications, but the drug has a diarrhea-inducing effect, so it should not be drunk for a long time. The adverse reaction of the drug is to take too much may have vomiting, abdominal pain and other reactions; its contraindications are not clear; need to pay attention to body weakness and pregnant women should not take senna. Before taking senna, you should go to the hospital and take it under the guidance of a traditional Chinese medicine doctor, do not buy and use it on your own to avoid delaying your condition.