Infants should be isolated from other children immediately after the outbreak of rash, and attention should be paid to hydration and skin care to avoid local skin infections. Infantile emergency rash is contagious, so after the rash, should be promptly isolated from other children to avoid infection, infants after the rash, often lasts for 1 ~ 2 days, infants at this time the body is weak, so in addition to nutritional supplements, should be given adequate water, pay attention to warmth, avoid cold and wind, pay attention to the skin care, avoid scratching, to keep the skin clean and clean, to avoid infections. In most cases, infantile emergency rash can be cured by itself, but if there is a persistent fever and the rash does not improve for 3 days, you should go to the hospital in time to avoid delaying the condition.