Generally speaking, we should choose light, soft and digestible food for dinner, such as wonton, porridge, noodles and snacks. Or drink a glass of milk and eat a fruit. Avoid foods with high fat content, because fat takes too long to digest and absorb; In addition, some foods are not suitable for supper. First of all, high-protein foods such as meat and eggs, because they are not easy to digest and absorb, are easy to stay in the intestine, deteriorate to produce toxins such as ammonia, indole and hydrogen sulfide, stimulate the intestinal wall and induce cancer. Secondly, fried, barbecued and fried foods, such as fried peanuts and mutton skewers, will have adverse effects on gastric mucosa. Third, sweets are taboo for dinner. They will not only bring obesity problems, but also consume B vitamins in the human body, resulting in nutritional imbalance. In addition, drinking a lot of coffee and strong tea late at night will stimulate sympathetic nerves and easily cause autonomic nervous disorder of internal organs;