If the body exists constipation, in the diet should increase crude fiber food, at the same time avoid spicy, stimulating food intake, drink more water. 1. Increase the intake of crude fiber food: usually, the intake of dietary fiber can promote intestinal peristalsis, increase the volume of stools, maintain the role of water inside the stool, and at the same time can to a certain extent to promote the normal development of intestinal flora. Such foods include kelp, seaweed, bok choy, fungus, shiitake mushrooms and so on. At the same time, drink more water to increase the volume of feces and promote excretion. 2. Avoid spicy and stimulating foods: spicy and stimulating foods stimulate the gastrointestinal mucosa, gastrointestinal dysfunction, and food stagnation in the intestines, leading to constipation, so constipation patients should avoid the intake of such foods. In addition, it is forbidden for those who are allergic to the above food ingredients. If the patient’s constipation symptoms are serious, or if the symptoms persist without improvement, he should go to the hospital in time for treatment.