A 2-year-old baby with prickly heat needs timely ventilation and can be treated with topical or systemic medication to improve symptoms. 1. baby prickly heat on the body, can be related to the sweltering temperature, sweat pore blockage, so we need to pay attention to timely home ventilation, give the child to wear loose and comfortable clothing, and timely use of warm water bath, keep the skin clean and dry. 2. Topical medication: mainly to astringent, anti-itching, cooling as the principle of the use of drugs, such as topical glycerine lotion, for the baby appeared pus prickly heat, can be coated with glucocorticoids, such as Dinocaprolactone cream treatment. 3. Systemic medication: If prickly heat causes obvious itching, oral antihistamines such as cetirizine hydrochloride drops and loratadine syrup can be used. In the hot summer, attention should be paid to the prevention of prickly heat, when there is prickly heat, you can consult a doctor in time, and follow the doctor’s instructions for standardized treatment.