You can help defecation by eating bowel cleansing drugs or food, drugs such as mosapride, etc., food such as spinach, leeks, etc., but should not be pursued quickly. 1. Drugs: irregular bowel movements may be caused by gastrointestinal peristalsis slowdown, intestinal diseases and other causes of constipation. When the bowel movement is not smooth, you can take mosapride, domperidone and other drugs to promote gastrointestinal peristalsis, in order to achieve the purpose of defecation and intestinal clearance, you can also take lactulose and other osmotic laxatives. 2. Food: defecation can eat more spinach, leeks, celery, dragon fruit, pears and other fiber-rich fruits and vegetables, appropriate exercise can also promote gastrointestinal motility. The above drugs may have diarrhea, abdominal pain and other adverse reactions, it is recommended that the medication under the guidance of a doctor, not blindly self-medication to avoid adverse effects.