There are many clinical causes of poor bowel movement, the common ones are as follows: 1. Dietary disorders, such as excessive consumption of protein and other foods can cause abnormal bowel movements. 2. Constipation. Generally refers to less than 3 times a week, difficult to defecate or dry stool. 3, intestinal obstruction. Generally, it is accompanied by abdominal pain, nausea and vomiting. Which situation belongs to the patient’s symptoms, signs and auxiliary examinations are needed to further clarify the diagnosis, such as feasible abdominal fluoroscopy to exclude intestinal obstruction. Then, through consultation to understand the patient’s diet, clear diagnosis and symptomatic treatment. The usual diet should be a reasonable mix of meat and vegetables, reasonable meals, more water, and appropriate exercise.