Most people with H. pylori infection can show a turnaround after standard treatment, suggesting that H. pylori has been treated for eradication. After eradication, H. pylori rarely reignites in the patient’s body, i.e., it rarely recurs on its own, but it cannot be ruled out that the patient may be reinfected. If the surrounding contact with patients with H. pylori infection, without reasonable diet sharing, kissing separation, each other if the patient is H. pylori, through the diet or kissing can still be through saliva and utensils and other transmission channels, the patient’s own H. pylori re-infection has been turned negative, eradication treatment after the group, so the H. pylori turned negative will not reignite itself, but there is still the possibility of being Therefore, it is recommended that patients should share public utensils with others when eating, and do a good job of hygiene to avoid being infected by others again.