Chronic constipation is clinically divided into outlet obstruction type constipation, slow transmission type constipation, compound constipation. According to the specific classification, the corresponding treatment, the details are as follows: 1, exit obstruction type constipation: anal narrowness, puborectal muscle hypertrophy, rectal mucosal prolapse, rectal anterior protrusion, etc. can cause constipation. The treatment mostly uses oral laxative drugs, and the serious ones are operated. Female rectal protrusion, rectal mucosal prolapse, need to carry out rectal protrusion repair, rectal prolapse repair and other treatments. Puborectal muscle hypertrophy for physical therapy, and even hanging line treatment; 2, slow transmission type constipation: mainly rely on internal medicine oral drug treatment, such as pro-dynamic drugs, laxative drugs. Laxative drugs are divided into volumetric laxatives, stimulating laxatives, etc., of which drugs containing anthraquinone components should not be taken for a long time. Clinically, the use of volumetric and lubricating laxatives is advocated for the treatment of chronic constipation.