There are many ways to promote defecation. Depending on the specific situation, we can choose dietary regimen, medication (e.g. lactulose solution, mosapride), enema treatment, surgery and so on. 1. Dietary management: applicable to patients with constipation caused by various reasons. It can be regulated by eating more vegetables and fruits, regular defecation, moderate exercise and so on. 2. Drug treatment: mostly used in chronic functional constipation patients. Lactulose solution, polyethylene glycol bulk and other laxatives can be chosen; choose mosapride, itopride and other gastrointestinal tract dynamics. 3. Enema treatment: it is suitable for patients with acute constipation, and can quickly solve the constipation situation. 4. Surgery: For constipation caused by intestinal mass, enteroscopic surgery or traditional surgery can be considered. For the way to promote defecation, it is recommended to consult the doctor to choose the appropriate treatment method according to the condition, and take the medication as prescribed by the doctor.