Occasional constipation is mainly adjusted by improving lifestyle habits, and prolonged constipation can be treated with solvent laxatives such as wheat fiber, prokinetic drugs such as mosapride, and stimulant laxatives such as bisacodyl. There are different drugs for different patients, and there is no so-called “most feared” drug for constipation. Occasional constipation is mainly to improve life, drink more water to increase intestinal water, promote defecation, eat more vegetables and fruits to increase intestinal peristalsis, eat more brown rice and other foods with high fiber content to increase the formation of feces, avoid fine noodles and other too fine food. Appropriate exercise. If the duration of constipation is greater than 12 weeks, you can take medication to promote bowel movement and relieve symptoms. 1. Solvent laxatives: wheat fiber, megacarbophil calcium, etc. can increase intestinal water, relieve stool dryness, and facilitate defecation. This class of drugs is safe, generally less adverse reactions, usually for mild constipation. 2. Promote power drug: Mosapride, Itopride and other drugs can promote gastrointestinal peristalsis, promote stool discharge, commonly used in slow gastrointestinal peristalsis, fecal transport slow constipation. 3. Stimulating laxatives: Bisacodyl, senna and other drugs can stimulate intestinal secretion, so that gastrointestinal peristalsis to speed up, fast laxative, can be used for severe constipation in time to discharge the stool. But can not be taken for a long time, so as not to affect the normal function of the gastrointestinal tract. Frequent constipation for different conditions, you can also take other drugs to relieve constipation, should be under the guidance of a doctor, for the cause of the selection of appropriate laxative drugs, do not blindly take. The use of the above drugs should be in accordance with medical advice.