The specific survival time of young people with gastric cancer is related to many factors such as the stage of gastric cancer, treatment plan, or physical condition, etc. It can be analyzed from the following points: a. Generally speaking, the younger the patient is, the higher the malignancy of gastric cancer and the prognosis is relatively poor, and the survival time is mostly between six months and one year, and some patients may have a longer survival time. If it is early gastric cancer and the patient has no discomfort symptoms and is found during physical examination, it can be removed surgically and given radiotherapy and chemotherapy after surgery, which has a relatively good prognosis and a relatively high survival rate of five years. Third, if the tumor is found late and there is no chance of surgery when it is discovered, and the malignancy is high, the prognosis is relatively poor with conservative treatment, such as radiotherapy, chemotherapy, targeted drug therapy, etc. The survival time may be about six months, and some patients may have less than six months. Therefore, young patients must pay attention to the discovery of gastric cancer, further clarify the stage and pathological type of gastric cancer, and choose the treatment plan according to the actual situation of patients to avoid delaying the disease.