Gastric sinus cancer usually has no obvious signs and may be asymptomatic. Symptoms may be manifested as abdominal discomfort and slight hidden pain, followed by loss of appetite, weight loss and irregular pain, and the specific manifestations are related to the stage and individuals. Gastric sinus cancer is a common type of gastric cancer, which occurs in the sinus part of the stomach. Early symptoms are not obvious, or only vague pain in the upper abdomen, pain is not obvious, abdominal distension, abdominal pain and other clinical manifestations, occasionally acid reflux, heartburn phenomenon, loss of regular pain, and taking medication does not relieve it. At present, the treatment of gastric sinus cancer is basically surgery, such as radical mastectomy for distal gastric cancer, and chemotherapy after surgery. The prognosis of gastric sinus cancer is related to the typology as well as the stage. If the above symptoms occur, it is necessary to pay enough attention to it and go to the hospital for examination in time to make a clear diagnosis, so as to avoid delaying the time of treatment.