Gastric diseases are common diseases of the digestive system and most benign gastric diseases can be cured after systemic medical treatment, but some gastric diseases require surgery to achieve treatment, and these diseases include malignant diseases of the stomach, such as gastric cancer and gastric mesenchymal tumor; some benign gastric diseases, such as gastroduodenal ulcer combined with bleeding, perforation, scarring pyloric obstruction or gastroduodenal ulcer with poor medical treatment, also require Surgical treatment. Gastric cancer is one of the most serious malignant tumors threatening people’s life and health in China, and the mortality rate ranks first among malignant tumors. Among patients, men are the majority, with the ratio of men to women being about 2-3:1. 40 years old or above is the main age of incidence. At present, comprehensive treatment mainly based on surgery is the main treatment for gastric cancer and the only possible means to cure it. The 5-year and 10-year survival rates of early gastric cancer treatment can reach 95% and 90% respectively. Therefore, surgery for gastric cancer should be taken as a positive treatment. As long as the patient’s general condition allows and there is no clear distant metastasis, surgery should be performed. Professional and standardized comprehensive treatment for gastric cancer is the best way to improve the cure rate and survival rate of gastric cancer. As with the treatment of any tumor, only early diagnosis and early and proper treatment can cure the disease, and the choice of treatment is crucial. To be able to do this firstly, we need to have a clearer understanding of gastric cancer. If you have some risk factors for stomach cancer, such as age 40-60, salty food (especially salted fish, pickled and smoked food, barbecued food), frequent consumption of rancid meals or moldy food, previous diagnosis of Helicobacter pylori (HP) infection, long-term diseases such as gastric polyps, gastric ulcer, chronic atrophic gastritis and pernicious anemia, or previous gastric surgery, you should be familiar with the risk factors for stomach cancer. Once the above early signs of gastric cancer, such as epigastric discomfort, indigestion, loss of appetite, or new changes in the symptoms of existing gastric disease, such as increased stomach pain or change in the nature of black stool, mental depression, lethargy and weakness, etc. appear, you should seek medical attention at an early date to avoid delay. Especially for those who live in areas with high incidence of stomach cancer or those who have had stomach cancer or other tumors in their family, they should be more vigilant and should have regular health checkups if possible. Those who have been clearly diagnosed as precancerous lesions of the stomach, such as severe atrophy with intestinalization and obvious atypical hyperplasia, should be treated in hospital and reviewed regularly. Once gastric cancer is diagnosed, surgical removal of gastric cancer is the most effective treatment method and should be performed as early as possible for radical treatment, and the gastrointestinal surgery department of large general hospitals with advanced equipment, strong technical force and well-known surgical experts or gastrointestinal endoscopy center should be selected for comprehensive treatment so that the condition can be treated perfectly and reasonably.