Based on the theory, Typhoid Fever is an important public health problem because of its spread is closely related to urbanization , population density, environmental health, water supply and poor sanitation and hygiene standards of food processing industry is still low. Boys of school age who have a habit of eating snacks at random and did not wash hands before and after eating and have a dirty home environment. Based on the theory, Typhoid Fever case behavior is a problem in a clean and healthy living . has an important role in the process and management of Typhoid Fever and need his parent to resolve the problems, and a bad habit of children