Positive for H. pylori, anti-H. pylori drugs need to be given. There are two clinical choices of antibiotic drugs and one choice of drugs to inhibit gastric acid. Antibiotic drugs, such as amoxicillin capsules, clarithromycin, metronidazole tablets, levofloxacin, and furazolidone are common. Drugs that inhibit stomach acid, such as rabeprazole, omeprazole, pantoprazole, esomeprazole. For antibiotic drugs, amoxicillin capsules, clarithromycin, and metronidazole tablets are often chosen. Of these three drugs, amoxicillin capsules appear resistant, that is, more resistant, so clarithromycin and metronidazole tablets are chosen as common drugs. The drugs that inhibit stomach acid, often choose rabeprazole, these three (plus two antibiotics) drugs are called the gastric triad. For H. pylori, after one treatment still positive symptoms, need to add another bismuth citrate agent, give the gastric quadruple drug symptomatic treatment, the course of treatment is two weeks.