A three-year-old child’s prickly heat can be relieved by daily care and topical medication as prescribed by the doctor. 1. Daily care: three-year-old children prickly heat need to regulate the temperature of the room, wear loose, lightweight, breathable and sweat-absorbent cotton clothes, you can also take a bath with warm water every day, so that the skin stays dry. 2. Topical medication: After children with prickly heat, you can follow the doctor’s instructions to use topical peppermint, glycerite lotion, etc., to improve the symptoms of itching. If scratching and infection occurs, erythromycin ointment, mupirocin ointment and other drugs can be applied to prevent infection. When a three-year-old child appears to have the phenomenon of prickly heat, it is recommended to go to the hospital in a timely manner, the use of drugs need to follow the doctor’s advice, not self-medication.