The main symptoms of children’s emergency rash are fever and skin rash, which are analyzed as follows: 1. Fever: children will have fever when they have emergency rash, and most of them have high fever, the temperature will last between 39℃ and 40℃, and a small number of children may have other complications, such as loss of appetite, cough and so on. 2. Rash: another important symptom in children with acute rash is the appearance of a red rash on the body, and this rash is usually not itchy, and the duration of the rash may last about one to two days, and then subside by itself. Children in the emergency rash, parents need to pay attention to give timely cooling treatment, more than 38.5 ℃ need to cooperate with the use of ibuprofen, acetaminophen and other fever-reducing drugs, the above drugs are under the guidance of the doctor to take, do not use on their own. If necessary, specialist consultation is recommended.