With H. pylori infection, dishes are recommended to be sterilized daily. H. pylori is a gram-negative, micro aerobic bacterium that can be transmitted to others through saliva and feces. H. pylori infection may be asymptomatic, or it may lead to gastritis, gastric ulcer or even gastric cancer, with symptoms such as nausea, vomiting, abdominal pain and loss of appetite. If H. pylori infection is suspected, it can be checked by H. pylori breath test and rapid urease test. Once diagnosed, you need to use separate utensils from others, and the utensils you use yourself can be sterilized daily by boiling water. It is also necessary to pay attention to hand hygiene, and it is not recommended to take unclean water, moldy, pickled, spicy and stimulating food; at the same time, it is necessary to quit smoking and alcohol, and eat more fresh vegetables and fruits. It is also necessary to regularly review items such as gastroscopy and Helicobacter pylori breath test.