Difficulty with bowel movements is mainly based on changing diet and lifestyle habits. First of all, it is necessary to increase dietary fiber, drink more water, develop the habit of regular bowel movements, and increase physical exercise. Dietary fiber supplementation is the preferred treatment for functional constipation, because dietary fiber itself is not absorbed, cellulose is hydrophilic, can absorb the water in the intestinal lumen, increase the volume of feces, but also stimulate peristalsis of the colon, foods such as vegetables and fruits. If the constipation is very serious, you can use Keseru, lactulose oral solution, are laxative drugs, and promote gastric power drugs, such as Mosapride, Itopride. The mechanism of action is to stimulate neurons, promote gastrointestinal smooth muscle peristalsis, effective for chronic constipation, can be long-term, intermittent use. Then do colonoscopy to see if it is organic lesions, and then symptomatic treatment or surgical treatment.