Generally speaking, you should choose light, soft and digestible food for supper, such as wonton, porridge, noodles, snacks, etc., 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, it is high-protein foods such as meat and eggs, because they are not easy to digest and absorb, and they are easy to stay in the intestine, and deteriorate to produce toxins such as ammonia, indole and hydrogen sulfide, which irritates the intestinal wall and induces cancer. Secondly, fried, barbecued and fried foods, such as fried peanuts and kebabs, will have adverse effects on gastric mucosa. Thirdly, sweets are the taboo of supper. They will not only bring obesity problems, but also consume B vitamins in the human body, causing nutritional imbalance. In addition, drinking a lot of coffee and strong tea at midnight snack can stimulate sympathetic nerve, which is easy to cause autonomic nervous disorder of internal organs;