H. pylori is most afraid of antibiotics as well as an alkaline environment. H. pylori is the only bacterium that can survive in the stomach, and because it is a bacterium, most antibiotics are able to kill H. pylori. For patients who are diagnosed with H. pylori infection, they should try to use the method of antibiotic drugs for treatment. Since H. pylori is resistant and drug-resistant, it is best to use a combination of two drugs when choosing antibiotics, such as amoxicillin combined with clarithromycin, to be able to achieve the purpose of eradicating H. pylori. H. pylori is an anaerobic bacteria, the requirements for the environment is very demanding, once the living environment is damaged, the survival of H. pylori will also be affected, for patients with H. pylori infection should use drugs that inhibit stomach acid. When the acidic environment in the stomach is changed, the effect of killing H. pylori will be more obvious.