Heat rash on children can be handled through life care and topical medication. 1. Life care: keep the temperature appropriate, to the child does not sweat is appropriate, can use air conditioning to cool down, but pay attention to avoid air conditioning blowing; do a good job of cleaning, showering; give the child to wear loose breathable, sweat-absorbent clothing, at the same time the child has the best sweat in time to wipe off; to avoid scratching in order to prevent the skin from ulceration, infection. 2. Topical medication: (1) If there are red inflammatory papules without ulceration and oozing, you can use glycerite lotion externally, which has the function of astringency and itching relief; (2) If prickly heat pus or appear broken, can be used externally mupirocin ointment, at the same time, pay attention to avoid seeing water, in order to prevent infection aggravation; (3) If the itching is severe, the rash area is too large and accompanied by eczema-like changes, consider short-term local application of hormone ointment such as hydrocortisone ointment. Children with heat rash on the body is recommended to consult a doctor in a timely manner, under the guidance of the doctor for standardized treatment, do not self-medication, to avoid adverse consequences.