There are many possible reasons for stomach discomfort after eating, improper daily diet may lead to stomach discomfort, in addition to gastritis, duodenal ulcer or gallbladder disease, etc. 1, improper diet: eating a dry meal, a large number of food caused by gastrointestinal dysfunction or eating a spicy and stimulating food to stimulate the gastrointestinal tract can lead to stomach discomfort. Such people should develop a good diet and eat more healthy and easily digestible food; 2, gastritis: most patients have no obvious symptoms, but some show symptoms of indigestion such as upper middle abdominal discomfort, fullness, dull pain, burning pain. It is necessary to visit the gastroenterology department and take oral acid suppressants and other drugs; 3, duodenal ulcer: some patients have rhythmic epigastric pain associated with meals, and it mostly manifests as postprandial pain. This pain is recurrent or periodic and can be spaced for weeks or months. Treatment requires a visit to the gastroenterology department with drugs such as acid suppressants and mucosal protectors. Proper rest, reduce mental stress; improve eating patterns, quit smoking, quit drinking alcohol and drink less strong tea and coffee can relieve symptoms; 4. Gallbladder disease: including cholecystitis or gallbladder stones. The abdominal discomfort caused by gallbladder disease usually occurs only after eating, especially easy to appear after eating greasy food with vague pain and fullness in the upper abdomen or right upper abdomen, accompanied by warmth and eructation. If gallbladder disease is identified, fasting is required during the acute phase, and cholecystectomy may also be considered if inflammation recurs and gallbladder stones are present. In addition, for middle-aged and elderly patients with irregular life, if there is a family history of gastrointestinal tumor, accompanied by symptoms such as anemia and wasting, high attention should be paid to the presence of gastrointestinal tumor. At this time, it is necessary to go to the hospital for electronic gastroscopy, and if there is a condition that requires pathological biopsy and targeted treatment.