Helicobacter pylori positive can be treated with quadruple therapy, including 2 antibiotics (e.g. amoxicillin, metronidazole), 1 proton pump inhibitor (e.g. omeprazole), and 1 bismuth agent (e.g. colloidal bismuth pectin). 1. Antibiotics: Commonly used drugs include amoxicillin, clarithromycin, furazolidone, metronidazole, etc. You can choose any two of these drugs, which can act as a bactericide. 2. proton pump inhibitors: such as omeprazole, rabeprazole, pantoprazole, etc., can inhibit gastric acid secretion. 3. Bismuth: such as colloidal bismuth pectin, bismuth potassium citrate, etc., which have the function of protecting gastric mucosa. If you are positive for Helicobacter pylori, it is recommended that you consult a doctor in time and take medication under the guidance of a physician, and do not use medication on your own.