Gastric distension may be caused by acute gastritis, indigestion, improper diet and so on; you can take mosapride tablets, trimethoprim capsules, omeprazole and so on. 1. Acute gastritis: acute gastritis is an inflammatory disease accompanied by acute damage to the gastric mucosa, most patients can manifest abdominal pain, vomiting, nausea, etc.; can be taken orally to inhibit the secretion of gastric acid drugs such as omeprazole, lansoprazole, etc., gastrointestinal mucosal protective agents such as aluminum thioglycollate gel, etc. treatment. 2. Dyspepsia: Dyspepsia can be manifested as early satiety, bloating, belching, anorexia, nausea, etc. It can be treated with oral gastrointestinal peristalsis drugs such as mosapride tablets, trimethoprim capsules, etc., and digestive enzymes such as mitomycin pancreatic enzyme tablets. 3. Improper diet: If you eat too much gas-producing food, such as beans, radish, sweet potatoes, etc., it will cause bloating and pain, at this time, we should stop eating these foods and adjust the diet, under the guidance of the doctor orally to promote gastrointestinal peristalsis drugs such as mosapride tablets and so on. If you feel unwell, you should go to the hospital in time, under the guidance of the doctor, to identify the cause and then give targeted treatment, do not blindly use their own medication.