At present there is no cure for constipation the most effective medicine, clinical often use lactulose and other laxatives, bacillus subtilis bacillus and other probiotic preparations, itopride and other gastrointestinal dynamics of the drug and other treatments. 1. Laxatives: (1) volumetric laxatives: such as methylcellulose, mainly containing polysaccharides or cellulose, etc., in the intestinal tract to absorb water, swelling into a lubricating gel to increase the volume of feces, stimulate defecation. (2) stimulating laxatives: such as bisacodyl, etc., can stimulate intestinal peristalsis, promote the discharge of feces. (3) hypertonic laxatives: such as magnesium sulfate, sorbitol, lactulose, galactose, etc., this kind of laxative has a water-absorbent, so that the osmotic pressure in the intestinal lumen increases, so that the volume of feces increases. (4) Lubricating laxatives: such as glycerin, paraffin oil, etc., after oral intake or enema, can be wrapped outside the fecal mass, so that the fecal mass is easy to pass through the intestinal tract, reduce the absorption of intestinal water, and promote intestinal peristalsis. 2. Probiotics: such as Bifidobacterium triplex, Bacillus subtilis doublex, etc., which can regulate the balance of intestinal flora and thus relieve constipation. 3. Gastric stimulants: such as Itopride, Mosapride, Domperidone, etc., which can promote gastrointestinal dynamics, increase intestinal peristalsis, and thus promote fecal discharge. The above drugs should be used under the guidance of a doctor and should not be taken without authorization.