The causes of constipation include improper diet, lack of exercise, constipation, and so on. 1. Improper diet: if the patient usually love to eat rice noodles, spicy, fried food, no intake of crude fiber food, increase the burden of gastrointestinal digestion, gastrointestinal peristalsis is slow, will lead to slow discharge of stools, manifested as the above symptoms. 2. Lack of exercise: If the patient is sedentary for a long time and has little exercise, it will reduce the amount of intestinal motility, slow intestinal peristalsis and insufficient anal sphincter contraction and expansion, resulting in difficult defecation, which can be manifested as the above symptoms. 3. Constipation: If the patient suffers from this disease, the fecal matter stays in the intestines for a long time, and the water in the fecal matter is overly reabsorbed, leading to dry fecal matter that is difficult to disintegrate, and there is difficulty in defecating, and the fecal matter is one grain of fecal matter. When the patient can not pull out the stool grain by grain (constipation), you can first start from improving the diet structure, increase the amount of exercise and so on. Abnormal stools should be timely medical standardized treatment to avoid adverse consequences.