Patients with H. pylori infection may have no obvious clinical manifestations or may experience discomfort caused by digestive tract disorders. More than 70% of patients with H. pylori infection do not have any clinical symptoms, 10% to 20% may develop peptic ulcers, and about 10% may develop functional dyspepsia. In addition, about less than 1% may cause gastric cancer. Other diseases associated with H. pylori infection include gastric mucosa-associated lymphoid tissue lymph nodes, unexplained iron-deficiency anemia, idiopathic thrombocytopenic purpura, and gastric polyps. If you suspect the existence of H. pylori infection or discomfort, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, combined with the relevant test results, to clarify the cause of the disease, so as to avoid delaying the condition.