It is usually caused by poor digestion, food stagnation in the intestines and slow gastrointestinal movement that produces a lot of gas. Generally speaking, people with gastritis and gastric ulcers often get bloated because their stomach is dysfunctional, which is more detrimental to digestion and leads to gas. You can pay attention to the usual diet, eat less cold, stimulating food, eat more vegetables, rich in high fiber things, which are easy to digest. If it is more serious, you should take drugs to treat it, you can take drugs to inhibit the secretion of stomach acid, like omeprazole capsules, twice a day and the gastric power drug morpholine tablets, and amoxicillin capsules also have an auxiliary effect. The drugs should be taken before meals is more effective, or not improve, you should go to the hospital to do a gastroscopy.