Stomach pain after eating may be caused by indigestion, peptic ulcer, chronic gastritis, gastric cancer and other diseases, you need to consult the gastroenterology department to clarify the cause and take the appropriate treatment: 1, indigestion: indigestion when the gastrointestinal power disorder, there will be eating stomach pain symptoms. It is recommended to suspend eating in severe cases, drink light salt water during fasting, apply digestive drugs to relieve symptoms under the guidance of doctors, reduce eating in mild cases, eat less stimulating and cold food, avoid smoking and alcohol, and choose easily digestible porridge; 2, peptic ulcer: the mucosa of gastrointestinal tract is digested by its own gastric acid and pepsin and ulcers are formed, combined with their own conditions, they can stop or reduce taking non-steroidal anti-inflammatory drugs, as appropriate. You can take oral acid inhibiting drugs, drugs to protect the gastric mucosa, such as omeprazole, bismuth citrate to relieve symptoms; 3. Chronic gastritis: is a chronic inflammation of the gastric mucosa, when life is irregular, diet is not standardized, there will be symptoms of stomach pain after eating. It is necessary to quit drinking and smoking, eat light and easy to digest diet, and also can be treated with oral drugs that inhibit gastric acid secretion; 4, gastric cancer: early stage of gastric cancer is mostly asymptomatic, and the progressive stage can show symptoms such as epigastric pain, aggravated after meals and indigestion. Long-term postprandial stomach pain has the possibility of malignant tumor or precancerous lesion, therefore, medical treatment should be sought as soon as possible to clarify the diagnosis and treatment, such as surgery, chemotherapy, targeted therapy, etc.; 5, emotion: some patients will have stomach pain after getting angry, which should be avoided; 6, gastric stone: after eating more persimmons, hawthorn, black dates, etc., because the above-mentioned foods contain more tannic acid and are not fully digested after eating, gastric stone will be formed, which will This can lead to repeated stomach pain. The above-mentioned food intake should be avoided, and drugs to inhibit stomach acid can be given, and if necessary, endoscopic lithotripsy treatment.