Although many causes can lead to a rash on the baby’s skin, the cause is different, the rash has a different form, and the symptoms are treated differently. 1, scarlet fever caused by hemolytic streptococcal infection, with a pinpoint-sized bright red rash on the whole body, can be accompanied by high fever, headache, late can appear a lot of peeling as the main symptom oral cephalosporin or erythromycin and other antimicrobial treatment, with high fever with physical cooling or 2. rubella virus infection leads to the appearance of pinpoint pink papules on the skin, accompanied by low fever and swollen lymph nodes, which can be treated with oral ribavirin pellets, bed rest, and symptomatic treatment with antipyretics for those with fever. 3. viral infection leads to early childhood emergency rash, with sudden onset of high fever as the main symptom, which lasts for 3 days and then drops suddenly, and can appear on the skin The rash can be rose-colored papules on the skin, all of which will subside in 2-3 days, and the treatment of this disease is mainly symptomatic. The baby rash is usually contagious, so pay attention to the isolation from other children to prevent infection.