Pediatric hand, foot and mouth disease is an acute febrile rash caused by enterovirus infection is highly contagious, the source of infection is hand, foot and mouth disease and hidden infected people, there are two main ways of infection: First, the most common is spread through close contact, contact with the excrement of children, such as feces, urine, diapers, etc. may be infected, contact with used toys, tableware, etc. may also be infected, so be sure to Do good hand hygiene, disinfection and ventilation in the room. Second, through close droplet transmission, because children with HFMD are often accompanied by respiratory symptoms, when coughing, sneezing, talking loudly if the distance is close, especially within a meter will be easily infected with the HFMD virus, poor resistance may be onset.