Constipation can choose gastrointestinal motility drugs, such as mosapride and etopril; And choose laxatives, such as magnesium sulfate, senna, rhubarb soda tablets, lactulose, mannitol, castor oil, phenolphthalein and so on. And probiotics, such as compound acidophilus, Bifidobacterium, butyric acid bacteria, etc. If the drug effect is not good, you can choose enema and catharsis treatment. Patients should drink more water and exercise more.