Stomach distension refers to the swelling of the stomach after eating, which leads to stomach malaise and gastroptosis. Eating more rice or exercising properly can adjust the discomfort of the stomach and improve physical fitness. It may also be gastroesophageal reflux disease, which refers to heartburn caused by the reflux of gastroduodenal contents to esophagus, which can cause reflux esophagitis, pharyngitis, airway and other tissue damage near esophagus. Pay attention to the hygiene of diet at ordinary times, avoid eating some cold, greasy, spicy and irritating foods, eat more soft and digestible foods, and drink more water at the same time. If the symptoms cannot be eliminated for a long time, it is recommended to go to the hospital for examination, and the doctor will carry out targeted treatment according to the cause.