Gastric H. pylori can take proton pump inhibitors, bismuth and 2 kinds of antimicrobial drugs, the specific medication should be under the guidance of the doctor. For Helicobacter pylori firstly need to carry out the quadruple radical treatment. At present, the main treatment program for radical treatment is proton pump inhibitor + bismuth + 2 kinds of antibacterial drugs, commonly used proton pump inhibitors are esomeprazole, lansoprazole, commonly used bismuth has bismuth potassium citrate, bismuth pectin and so on, and commonly used antibiotics have Clarithromycin, amoxicillin, metronidazole, tetracycline and so on. All of the above medications should be completed under the guidance of a doctor, and the emergence of adverse reactions promptly seek medical attention. Usually 14 days is a course of treatment. H. pylori level should be checked one month after the end of treatment to clarify the effect of treatment.