Low gastrin-17 needs to be combined with clinical manifestations or other tests before deciding whether treatment is needed. If it suggests atrophic gastritis, gastric ulcer, etc., then it needs to be treated. Gastrin-17 is a gastrointestinal hormone, mainly secreted by G-cells in the gastric sinus and duodenum, with the function of regulating gastrointestinal function and maintaining structural integrity. Low gastrin, consider atrophic gastritis, gastric ulcer, etc., generally need to change dietary habits, take omeprazole and other drugs to treat, and in serious cases, need surgical treatment. The above medication should be taken according to the doctor’s prescription. If the test result shows that gastrin-17 is low, it is recommended to consult a doctor in time, clarify the cause of the disease with the help of the doctor, and carry out targeted treatment or therapy.