The survival period of patients with advanced stomach cancer in their 70s is usually between six months and two years. With active treatment, the five-year survival rate is about 14%.How long can a patient with advanced stomach cancer in 70s live is related to the patient’s physical quality, dietary habits and other factors. There is not much relationship between age and advanced gastric cancer, but the physical quality and tolerance of senior patients are poor compared with young patients, which may affect the survival period to some extent, generally it may be between six months and two years. However, if the patients actively cooperate with the treatment and undergo chemotherapy, radiotherapy, gastrostomy, etc., the survival period may be extended to five years. Meanwhile, if patients have better dietary habits and do not often consume spicy and greasy foods that are not conducive to digestion, it is favorable to their condition. 70-year-old patients with advanced gastric cancer should actively cooperate with the treatment under the guidance of doctors to prolong their life.