If elderly people are diagnosed with gastric cancer without formal treatment, the survival period is about 13 months. Gastric cancer is the first tumor in the digestive tract, and its malignancy is relatively high, and the number of deaths due to gastric cancer in China is as high as 170,000 per year, which is a great danger. Stomach cancer is more prevalent in people aged 40-60, with higher prevalence in men, higher incidence in rural areas than in cities, and higher incidence in smoking patients than in normal people. It is clinically recommended to minimize the consumption of pickled products, salted fish and barbecue, actively quit smoking, and seek medical treatment in a timely manner if there are uncomfortable symptoms to avoid delaying treatment.