The main methods to maintain the stomach are the following: 1, the diet should be regular, regular and quantitative, three meals a day should be regular, each meal to eat the right amount to avoid over-eating, in order to reduce the burden on the gastrointestinal tract, chew fully, chew slowly, which is more conducive to food digestion. 2, eat less fried, greasy, indigestible food, because this type of food is not easy to digest, easy to cause indigestion and other symptoms. 4, eat less Too cold, too hot, spicy and stimulating food, because these foods have a stimulating effect on the gastric mucosa, easily cause damage to the gastric mucosa, resulting in abdominal pain, diarrhea and other symptoms, eat less of this type of food can effectively prevent stomach diseases, the stomach has a certain protective effect. 5, diet to be hygienic, eat less raw fish, raw meat, less barbecue food, so as not to cause bacterial infection. 6, to keep a happy mood, avoid long-term tension , anxiety, depression, etc.