Pediatric emergency rash is correctly called toddler’s emergency rash, which usually clears up in about 7 to 10 days, with individual variations. Childhood rash is an acute febrile rash disease, mainly caused by viral infection, is a self-limiting disease, the general prognosis is good. The early stage of infantile rash is mainly manifested as high fever, children may continue to fever for 3 to 5 days, heat out of the rash will often appear in the face, limbs and other parts of the dark red rash, 4 to 5 days, the rash can subside the condition is cured, the whole course of the disease usually lasts for 7 to 10 days, but due to the child’s own physique is different, the healing time is also different. The main symptomatic treatment for toddler emergency rash is to reduce the fever in time, and due to viral infection, antibiotics should not be used arbitrarily. Parents should pay attention to checking the body temperature during the fever of infantile rash so as to deal with it in time.