If eating and vomiting gas is caused by eating too fast, you can chew slowly to improve your life. If it is caused by gastritis or gastric ulcer, you can use domperidone to promote gastric emptying. 1. Life improvement: It may be caused by eating too fast, inhaling too much gas, or eating too much sweet potato and other food to produce gas. Pay attention to chewing and swallowing when eating to avoid inhaling air. Eat less soybeans, sweet potatoes and other foods that produce gas easily. Eat at regular intervals so as not to over-eat and produce gas in the body. Rubbing the abdomen frequently to promote gastrointestinal peristalsis and help digestion. 2. Medication: If you have gastritis, gastric ulcer and other diseases, the gastrointestinal digestive function decreases, and the fermentation of food in the body produces gas will also appear in the phenomenon. You can take domperidone, mosapride, etc. to promote gastric peristalsis, accelerate gastric emptying, and promote digestion and absorption. In the exclusion of eating too fast and other physiological reasons, adjusting the diet does not relieve the situation should be timely consultation, under the guidance of the doctor to identify the causes, and reasonable treatment.