There are many stomach diseases, such as gastritis, gastric ulcer, gastric cancer, gastrorrhagia, etc. The main diseases to be operated on are large ulcers and tumors. However, the treatment of peptic ulcer is quite mature at present, and the general ulcers do not need to be treated by surgery, only under the following conditions: bleeding drugs can not be controlled; Perforation; Scar pyloric obstruction; Refractory ulcer with ineffective drug treatment; Highly suspected of canceration.