The reasons for the formation of positive H. pylori are related to shared meals, unclean diet, spleen deficiency, and kissing. H. pylori is highly contagious and can be transmitted through chopsticks and bowls that have been eaten together with multiple people, and chopsticks and bowls that have been used by others without thorough disinfection can also be easily transmitted. Some people like to cook beef tenderly when they eat it, and undercooking can also easily lead to H. pylori infection. Patients who have a weak spleen due to poor rest, overwork, stress, and inattentive diet have a lower resistance than usual and are prone to H. pylori infection. The couple usually have kissing is also easy to transmit H. pylori to each other, because the main way of transmission of H. pylori is through the oral transmission, one of the spouses infected with H. pylori, it can be transmitted to the other through kissing.