The causes of stomach pain after meals are as follows: 1. The most common is gastric ulcer, but do not exclude other acute and chronic gastrointestinal diseases, such as acute and chronic gastritis, duodenal ulcer, gastroesophageal reflux disease, stomach tumors and many other diseases, will also appear after meals stomach pain symptoms, to further gastroscopy to clarify the cause. 2. irregular diet in daily life, often overeating, or often stay up late, too tired, life, stress, mental tension, alcoholism, etc., will also appear after meals stomach pain symptoms. 3. The symptoms of postprandial stomach pain can also occur if you are under stress, nervousness, alcoholism, etc. For women of childbearing age, we need to know whether there is early pregnancy reaction. 4. Pay attention to the exclusion of psychological factors such as gastrointestinal neurosis. 5. Learn to decompress yourself in daily life, give warm, soft, light and easily digestible food, and avoid overeating.