Early gastric cancer requires chemotherapy for some patients and not for others. Gastric cancer is a common malignant tumor, if the tumor is located in the mucosal layer and submucosal layer, regardless of whether lymph node metastasis occurs, it is called early gastric cancer. The details are as follows: 1. No chemotherapy is needed: if no lymph node metastasis occurs, chemotherapy is generally not needed after surgery; 2. Chemotherapy is needed: if lymph node metastasis occurs, chemotherapy is needed to prevent tumor recurrence. After the occurrence of gastric cancer, patients will have clinical symptoms such as abdominal pain, abdominal distension, wasting, weakness, reduced diet, belching, etc. It is recommended to improve the whole body examination in time. If there is no contraindication to surgery, radical gastric cancer surgery should be performed, and after the surgery, chemotherapy should be decided according to the patient’s specific condition. If surgery cannot be performed, chemotherapy must be performed, and immunotherapy can also be performed, and traditional Chinese medicine can be applied to prolong the survival time of patients.