Helicobacter pylori is stubborn and contagious, washing dishes with hand sanitizer generally does not kill Helicobacter pylori, you can use special detergents, or high temperature disinfection, etc. to kill Helicobacter pylori. H. pylori is stubborn and strong, can be transmitted through the fecal-oral transmission, etc., and has a certain degree of contagiousness. Hand sanitizer can rinse off H. pylori and reduce infection, which has a certain preventive effect, but it cannot completely kill H. pylori. Using H. pylori specific detergent is more effective than hand sanitizer and can kill some of the H. pylori. Dishes can be further sterilized at high temperatures or by using a sterilizer, which can kill more H. pylori. The presence of H. pylori in dishes can easily cause infections and may lead to gastritis and other illnesses, so pay attention to dietary hygiene, use personal utensils, and avoid using communal dishes.