Exercise helps defecation, but it only plays an auxiliary role in defecation and does not play a major role. Patients with poor defecation, mainly consider gastroenteritis, irritable bowel syndrome and other factors, a lot of exercise can promote blood circulation, accelerate gastrointestinal peristalsis, help food digestion and absorption, thus reducing the retention of intestinal contents, promote defecation, but exercise can not play a major role. When patients with long-term constipation, intestinal obstruction, gastroenteritis, exercise does not necessarily promote defecation, at this time it is also necessary to intermittently use drugs to improve defecation, through the drug to promote gastrointestinal peristalsis, supplemented by exercise, to accelerate the discharge of stools, such as lactulose, glycerin enemas and so on. Patients should consult a physician before using the medication, and use the medication under the guidance of the physician.