Childhood emergency rash can be completely resolved in 2~3 days, and children mostly show high fever and rash, usually no special treatment is needed. Childhood acute rash is a rash disease caused by human herpes virus, parainfluenza virus, adenovirus, certain enteroviruses, etc. It is characterized by high fever lasting for 3~5 days, after which the fever subsides and the rash comes out, after the rash appears, it can be completely subsided in 2~3 days, and there is no pigmentation and peeling of the skin after the rash subsides. Acute rash in young children is a benign self-limiting disease, symptomatic treatment can be given to reduce fever, no special treatment is needed. However, when the fever is high, it is necessary to pay attention to monitoring the body temperature, so as to avoid causing febrile convulsions. The presence of emergency rash in toddlers should be promptly consulted and correctly treated under the guidance of a doctor.