Helicobacter pylori infection does not necessarily require treatment. 1. China’s guidelines and expert consensus do not recommend routine H. pylori testing for children under 14 years of age; H. pylori testing and treatment is available for children with peptic ulcers, endoscopy for dyspepsia, unexplained iron-deficiency anemia, children searching for the cause of idiopathic thrombocytopenic purpura, and children with first-degree relatives who have gastric cancer. 2. Diseases requiring H. pylori eradication in adults include: peptic ulcer, gastric mucosa-associated lymphoid tissue lymphoma, chronic gastritis with dyspepsia, chronic gastritis with gastric mucosal atrophy and erosion, early gastric tumors that have been endoscopically resected or subtotal gastric resection, long-term use of proton-pump inhibitors, family history of gastric cancer, plan to take long-term non-steroidal anti-inflammatory drugs, including low-dose aspirin , those with unexplained iron deficiency anemia, idiopathic thrombocytopenic purpura, and other diseases associated with Helicobacter pylori infection. Lymphocytic gastritis, hyperplastic gastric polyps, etc. It is recommended that H. pylori infection be treated with medication under the supervision of a physician.