1.Find the real inappropriate diet, and avoid the intake of similar foods that are easy to bloat again. 2, reasonable dietary structure (1) reasonable intake of dietary fiber Choose foods rich in soluble NSP, such as oats, barley, rye, various vegetables and fruit foods such as apricots, cherries, small citrus, figs, grapefruit, plums, dried prunes and honey oranges. (2) Reasonable intake of lactose: replacing milk with yogurt is easier to digest and absorb. (3) Avoid the intake of high-fat and gas-producing foods Diets high in fat can affect the motor function of the gastrointestinal tract. Less intake of foods containing difficult to absorb sugars can reduce gas production, such as: ① high starch foods: sweet potato, white potato, potato, taro, pumpkin and chestnut ② cruciferous vegetables: white radish, carrot, cabbage, cauliflower, cabbage ③ green pepper, onion, leek, raw onion, raw garlic, garlic, raw skunk cabbage, celery ④ pasta products ⑤ apples, peaches, peanuts, melon seeds ⑥ dairy products, carbonated beverages 3. Develop good eating habits, abandon bad habits such as smoking and drinking, avoid eating raw, cold and spicy foods, and develop regular eating habits and a healthy lifestyle.