Boiling dishes usually takes 30 minutes and kills H. pylori, plus putting them in a sterilizer is also good for killing H. pylori. Eating together with H. pylori positive patients, intimate contact (such as kissing, etc.) and parents feeding their children by chewing food afterwards can lead to transmission of H. pylori. When there is a person with H. pylori infection in the family, other family members should also go to the hospital gastroenterology department for relevant tests to determine if they are infected, and if they are infected, they should undergo anti-infection treatment together. At the same time, avoid gathering with patients to eat, should be taken to share meals to prevent infection, in addition to the need to do a good job of dish sterilization and isolation. H. pylori infection should take effective treatment plan, currently advocate quadruple therapy, namely 1 PPI (proton pump inhibitor), 2 antibiotics and 1 bismuth combination therapy, can effectively eradicate H. pylori.