Symptoms of stomach cancer caused by Helicobacter pylori mainly include epigastric pain, abdominal distension, abdominal discomfort and other digestive manifestations, which are different in the early, middle and late stages of stomach cancer. It is recommended that stomach cancer patients actively cooperate with treatment and keep optimistic mentality. 1. Early stage: mainly manifested as epigastric pain, abdominal distension, indigestion and other minor discomforts, which are generally similar to the symptoms of common gastritis, so it is necessary to pay attention to identify them. 2. Middle stage: commonly located in the left upper abdomen pain, pain without obvious pattern, not related to eating. Patients may also be accompanied by anorexia, palpable mass in the upper abdomen, anemia and other manifestations. 3. Late stage: mainly manifested by increased pain in the upper abdomen, weight loss, and may have manifestations such as vomiting blood, black stools and cachexia. Gastric cancer caused by Helicobacter pylori should seek timely medical treatment for symptomatic treatment to avoid adverse consequences.