Constipation can generally use glycerin, warm soap water, warm water, warm salt water, etc. for enemas, the specific use of which enema water needs to depend on the patient’s specific situation, there is no so-called “best” enema water. Enema is a more effective way to solve the constipation of patients, you can use glycerin, warm soap water, warm water, warm salt water, etc. for enema, clinically used more is warm water and glycerin, its irritation is relatively small, into the body of the liquid and the body of the feces mix, and then promote fecal matter, for a long time without defecation of the patient. Constipation, the specific choice of enema water depends on the patient’s intestinal condition, but there is no which is the best, it is recommended to be operated by professional medical personnel, do not blindly on their own. There are patients with acute abdomen, gastrointestinal bleeding, severe cardiovascular disease and other patients are prohibited enema, pregnant women are also prohibited enema, hepatic encephalopathy patients are prohibited to use warm soapy water enema.