If you have a lot of H. pylori, you can use amoxicillin, clarithromycin, omeprazole, bismuth potassium citrate, combined drug treatment. H. pylori is the only kind of bacteria that can be parasitic in the stomach, and this bacteria can cause the presence of various stomach diseases, and once there is more H. pylori in the stomach, it will lead to recurrent gastritis and gastric ulcers. At present, there is no single drug that can eradicate H. pylori, therefore, if you want to eradicate it, you should choose a combination of drugs and treatment. In the treatment of H. pylori, the main focus is on antibiotics, and should try to choose a combination of two antibiotics, such as amoxicillin combined with clarithromycin. While using antibiotic drugs, they should also be combined with drugs that inhibit stomach acid to improve the environment of H. pylori and increase the therapeutic effect, common acid-suppressing drugs are, omeprazole, lansoprazole, etc. A part of people who are infected with H. pylori will also lead to damage to the gastric mucosa, and should also be combined with a drug that protects the gastric mucosa, such as bismuth potassium citrate, when combined with medication.