Helicobacter pylori should be treated comprehensively from several aspects before it can be. 1, drug treatment: because the resistance of Helicobacter pylori is increasing year by year, the current first recommended treatment with quadruple therapy. Commonly used quadruple therapy: omeprazole + clarithromycin + amoxicillin + bismuth potassium citrate. The specific medication should also be designed according to the drug allergy status of the person taking the medication, the underlying disease and previous medication, please consult a professional doctor for details. 2, clean mouth: the oral cavity is an important source of infection of Helicobacter pylori, generally taking antibiotic therapy to kill Helicobacter pylori in the stomach, but the oral cavity is often ineffective, which makes it easy for the oral cavity germs into the gastrointestinal tract leading to recurrent infection episodes. Therefore, it is important to brush your teeth in the morning and evening, and rinse your mouth after meals to keep your mouth clean and hygienic to prevent recurrent infections from the mouth. You can also do dental cleaning system, also known as dental scaling. To clean the oral cavity of H. pylori. 3, away from the source of infection: pay attention to dietary hygiene, avoid close contact with pets and sick people. 4, reasonable diet: some data show that: purple garlic, clove tea, broccoli, cabbage, etc. have a certain bactericidal effect, you can consult a doctor after a reasonable choice. Too much stomach acid can lead to damage to the gastric mucosa, which in turn makes H. pylori easy to repeatedly infected. Therefore, usually pay attention to a reasonable diet, avoid irregular meals, long-term alcohol abuse, too sweet, too salty, too spicy, too acidic, too cold, too hot food, to prevent lowering the body’s resistance. In short, it is necessary to carry out comprehensive prevention and treatment of H. pylori from various aspects, such as medicine, oral hygiene, cutting off the source of infection and reasonable diet, in order to achieve better results.