Digestive tract infectious diseases have various ways of transmission, mainly through fecal-oral transmission, through the patient’s discharge of feces containing pathogens contaminated the surrounding environment, food, water, if eaten by others or the surrounding environment is not disinfected that is eaten, drink, can lead to the spread of infectious diseases, such as cholera, typhoid fever and so on. There are also some infectious diseases that are transmitted through media, such as mosquitoes, flies, rats, cockroaches, etc., which are transmitted among different groups of people after being bitten by mosquitoes and other insects, leading to the spread of infectious diseases. There is also a portion of viral hepatitis that can be transmitted vertically from mother to child, or through close contact, blood product transmission, and shared dietary infections. There are also some infectious diseases that are spread through contact with infected water, where the patient comes into contact with a water source containing pathogenic bacteria in the course of his or her labor, leading to the spread of infectious diseases, such as schistosomiasis.