H. pylori can be cured by taking medicine because H. pylori is a special class of bacteria, which is special in that it can survive in a strong acid environment and is the only bacteria that can survive in the stomach. And H. pylori can stimulate the gastric mucosa, causing damage to the gastric mucosa, leading to erosive gastritis, gastric ulcer, duodenal ulcer, and can even induce gastric cancer. So clinically, once tested positive for H. pylori, anti-H. pylori treatment should be performed, clinically commonly used triple therapy, that is, two antibiotics plus a proton pump inhibitors, antibiotics are often used penicillins, quinolones, aminoglycosides, nitroimidazoles, proton pump inhibitors are often used omeprazole, rabeprazole, pantoprazole, etc., the course of treatment to 10-14 days. And in the vast majority of cases, triple therapy can completely kill H. pylori, but a small number of patients have drug resistance, may need to change antibiotics.