Hidden stomach pain after meals may be related to dietary habits and structure, chronic gastritis, and gastric ulcers. 1. Dietary habits and structure: Eating too fast, chewing insufficiently or often eating hard, indigestible, cold, greasy and irritating foods may lead to gastric irritation after eating, which is manifested as a vague pain in the stomach. 2. Chronic gastritis: chronic gastritis is mostly caused by bacterial infection or long-term dietary irregularities, in the inflammation of the attack, there will also be symptoms of hidden pain after meals. 3. Gastric ulcer: If the patient has a vague pain in the stomach within a short period of time after meals, accompanied by nausea, vomiting and other symptoms, we should consider that it may be a gastric ulcer. 4. Gastric cancer: if the patient has vague pain in the stomach after meal for a long time, accompanied by symptoms such as weight loss, anemia and other alarm symptoms, gastroscopy or upper gastrointestinal endoscopy should be carried out to exclude the possibility of gastric cancer. In addition, vague pain in stomach after meal may also be related to stomach cancer, so it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment under the guidance of the doctor.