The study will include three phases: screening, treatment and follow-up. Screening: Patients who have been screened to meet the criteria for naval platooning will be enrolled after signing an informed consent form.~Treatment: Subjects will receive 14 days of eradication treatment. With the exception of colloidal bismuth pectin granules, which will be limited, proton pump inhibitors (PPI) and 2 antibiotics will be selected on the basis of the physician's experience.~Follow-up: Includes two visits. approximately 14 days of treatment and 28 days after the end of treatment. Eradication of H. Pylori will be confirmed through urea breath test(UBT).
To observe the eradication rate of H. pylori infection, symptom improvement and the incidence of adverse effects in patients using a bismuth colloidal pectin granules quadruple therapy.