The old gastric disease is more generalized, the old gastric disease may refer to chronic gastritis, gastric ulcer, gastric polyps, etc., the patient should seek medical attention for detailed examination, clear gastric disease type after targeted treatment. 1. Chronic gastritis: patients avoid eating moldy, smoked, pickled, nitrate-rich and nitrite-rich foods, etc., to maintain a good psychological state. Patients can follow the doctor’s instructions to take acid inhibitors, such as omeprazole, ranitidine, etc.; gastric mucosal protectants, such as aluminum thioglycollate, Rebapatide, etc.; pro-dynamic drugs, such as domperidone, itopride, etc. for treatment, patients with Helicobacter pylori infection can take omeprazole, bismuth pectin, amoxicillin, metronidazole, etc.. 2. Gastric ulcer: patients with gastric ulcer can take lansoprazole, aluminum hydroxide, sodium bicarbonate and so on according to the doctor’s instructions; patients with Helicobacter pylori infection can take omeprazole, clarithromycin, amoxicillin, pectin bismuth and so on. For the conservative treatment effect is not obvious or continue to aggravate the patient, through the way of surgery for resection treatment. 3. Gastric polyps: patients with gastric polyps should eat less nitrate-rich and nitrite-rich substances, avoid too rough, strong, spicy diet, quit smoking and drinking, and ensure adequate sleep. Generally small size can not be treated, regular review can be, for larger size or cancer risk polyps patients can improve the condition through endoscopic surgery, surgical resection and other ways. It is recommended that patients strictly follow the doctor’s instructions for medication, actively cooperate with the doctor’s treatment, regular review.