HFMD is a highly contagious disease and is usually only able to come into contact with normal people again after the rash has completely subsided. Most children with HFMD have an incubation period of 3-5 days, and most of the febrile rash will subside in 7-10 days after it appears. After the rash subsides, the infectiousness basically disappears, so the approximate period of HFMD isolation is about two weeks. HFMD is mainly an intestinal infection that can cause fever, rash in the oropharyngeal canal, and rash on the hands, feet, mouth, buttocks, etc. The rash does not leave scars. Treatment is mainly symptomatic heat treatment and rest, rash treatment, etc.