The five-year survival rate for mid-stage stomach cancer that has not spread can be around 32.8%. Gastric cancer is a common malignant tumor of digestive tract. Intermediate stage of gastric cancer means that the tumor lesion breaks through the mucosal layer and submucosal layer, but does not invade the peritoneum of the visceral layer, adjacent structures, and does not have regional lymph node metastasis and distant metastasis. Five-year survival rate is used in clinical work to assess the treatment effect and prognosis of tumor patients. For patients with mid-stage gastric cancer, radical surgical treatment should be actively carried out as soon as possible with complete resection of the primary lesion, and postoperative adjuvant radiotherapy and chemotherapy etc. according to the needs of the condition, and the overall five-year survival rate can be around 32.8%. Gastric cancer patients should go to regular hospitals as early as possible, follow the standardized diagnosis and treatment advice of specialists, and have regular follow-ups. At the same time, maintaining a good attitude and healthy diet in daily life can promote the recovery of the body, improve the quality of life and prolong the survival time.