Intestinal cleansing methods are food cleansing, drug cleansing, enema, need to choose the appropriate method according to the patient’s specific situation, there is no intestinal cleansing the best method of this statement. 1. Food cleansing: eat more vegetables and fruits rich in dietary fiber, such as dragon fruit, leeks, mustard greens, etc. Dietary fiber can stimulate intestinal peristalsis to help defecation. Morning fasting can drink a cup of warm honey water, moisturize the intestinal tract to soften feces, remove persistent feces. 2. Drugs to clear the bowel: take lactulose oral solution, polyethylene glycol electrolyte bulk to stimulate intestinal peristalsis, promote intestinal discharge, play the role of intestinal cleansing, but should not be used for a long time. 3. Enema: access to the anal tube will be warm water or soapy water, Keselu, glycerin enema agent, injected into the intestinal tract to soften the feces, promote intestinal discharge of feces. Constipation has many causes, it is recommended to actively seek medical attention, under the guidance of the physician to clean up the intestinal tract.