There are many kinds of gastrointestinal problems, such as gastric fever, gastric cold, gastric ulcer, and insufficient gastric power. Simply put, Ranitidine, Famotidine, Omeprazole, Chen Xianglubai tablets, Xiangsha stomach particles, Senmei stomach particles, stomach particles, Lizhu Deluxe, Lizhu Enteroluxe, Mamma Miai, intestinal health tablets, and so on. Take them according to the instructions. Diet: A. Dietary principles of ulcer disease: 1. small amount of meals, 5-6 meals per day, pay attention to regular quantitative, avoid overfeeding. Choose easy to digest, high nutritional value and protection of the stomach food. 2. cooking methods: preferably steamed, boiled, boiled, blanch, braised and other cooking methods, avoid frying food. 3. avoid using crude fiber, hard and indigestible foods. Avoid too sweet, too sour, too cold, too hot, and spicy food. B. Dietary principles of superficial gastritis: 1. Small amount of meals, 5-6 meals per day. Can increase the sugar-free milk, soda crackers, more alkaline steamed bread, etc. 2. Cooking methods: suitable for steaming, boiling, boiling, blanching, braising and other cooking methods. Avoid frying, deep-frying, cooking, slipping, burning, raw food. It is advisable to eat cream, and butter (can inhibit gastric acid secretion). 3. Avoid eating vegetables with high crude fiber, coffee, strong tea, strong alcohol, spicy, acid, mustard and too sweet food. C. Dietary principles of atrophic gastritis: 1. Small amount of meals, 6 meals a day, choose easy to digest food. Vinegar can be added in moderation to flavor and help digestion. 2. Eat foods rich in high-quality protein and iron. Eat fresh green leafy vegetables, such as tomatoes, greens, spinach and carrots. Eat gravy and thick broth to help gastric juice secretion. 3. Limit alkaline noodles, steamed buns, cream, butter and other foods that can neutralize the secretion of gastric acid. D. Dietary principles after gastrectomy: 1. Choose viscous and easily digestible food with slow emptying. 2. A small amount of meals according to the absorption gradually increase the quality and quantity of the diet. 2. Suitable for supplying high-protein, high-fat, high-calorie, low-carbohydrate, low-slag, easy-to-digest food. Pay attention to the supplementation of various vitamins and iron, potassium, sodium, chlorine and so on. Use less monosaccharides and disaccharides to prevent the induction of dumping syndrome.