Erysipelas, also known as infantile roseola, is an acute rash infection commonly seen in infants and young children caused by human herpes virus types 6 and 7. The clinical features are high fever for 3 to 4 days, followed by a sudden reduction in fever and rash, and a rapid recovery. The main manifestations of the infection are within 2 years of age, especially within 1 year of age. The incubation period is usually 5 to 15 days. 1, fever period often sudden onset of high fever, lasting 3 to 5 days. The initial stage of high fever may be accompanied by convulsions. In this period, except for loss of appetite, restlessness or light cough, the signs are not obvious, only the pharynx and tonsils are mildly congested and the superficial lymph nodes in the head and neck are mildly enlarged. The manifestation of high fever is disproportionate to the mild symptoms and signs. 2. Rash phase The body temperature suddenly recedes to normal on day 3 to 5 of the course of the disease, and a rash appears at the same time or a little later. The rash is scattered and is a rose-red macular rash or maculopapular rash that fades when pressed and rarely fuses. The rash first appears on the trunk and then rapidly spreads to the neck, upper extremities, face and lower extremities. The rash lasts 24-48h and fades quickly, without pigmentation or peeling. Treatment and care] 1, generally do not need special treatment, mainly symptomatic treatment, especially for patients with high fever should be given antipyretic sedatives, to enhance water and nutrition supply. 2, the disease is generally not heavy, should focus on general treatment, strengthen care, bed rest, high fever available physical cooling or a small amount of antipyretic, crying and irritable babies try sedatives. Convulsions are timely to stop the panic. 3, the diet should be light, pay attention to health, a reasonable mix of meals, drink more water. Give nutritious and easy to digest diet. 4, this isolation of children until 5 days after the diagnosis. The acute rash of young children is not highly contagious, preventive measures refer to the prevention of respiratory diseases. The most worrying thing for mothers is the high fever that does not go away, even if they take antipyretic drugs, it will not take long for the temperature to rise again. But the mother should note that although the baby is very hot, but the mental state is not too bad, basically does not affect play and diet. This is different from other diseases. After getting sick with E.M.S., the child can gain lasting immunity and rarely has a second attack. 2, the early childhood emergency rash is caused by human herpes virus type 6 and 7 infection, this kind of virus may be transmitted through saliva and other oral secretions. Therefore, to prevent the baby from getting the disease, the transmission route should be blocked and parents should pay more attention to oral hygiene. 3, if the baby is still breastfeeding, the mother needs to increase the amount of liquid supplement, the baby is more dependent on the mother’s breastfeeding when sick, as much as possible to feed milk. The mother should pay attention to the diet to eliminate eggs, fish, shrimp, garlic, leeks and spicy food.