Constipated people should try to eat as little as possible sweets, spicy food, greasy food, refined food, and so on. 1. Sweets: Cakes, candies, cookies and other foods or drinks with high sugar content are high-calorie, high-fat foods, which will increase the digestive burden on the stomach and intestines, not conducive to gastrointestinal peristalsis, and aggravate constipation. 2. Spicy food: spicy food such as barbecue, hot pot, etc. in the production process will use pepper, ginger, chili pepper, etc. for seasoning, these things are spicy and warm, easy to help the fire injury, reduce the intestinal tract in the water, which aggravates constipation. 3. Greasy food: sticky food such as glutinous rice, rice cakes and fried food will affect the peristaltic function of the gastrointestinal tract, is not conducive to gastrointestinal digestion, thereby aggravating constipation. 4. Refined food: refined food will lose a lot of natural fiber and many trace elements in the original food, which is not conducive to gastrointestinal digestion and peristalsis, further aggravating the constipation. Constipation should pay attention to adjust the diet structure, increase the intake of food with high fiber content, daily attention to drink more warm water, appropriate exercise, so as to enhance gastrointestinal peristalsis, relieve constipation. The dietary structure of constipation patients can consult a medical professional.