Prickly heat on a 10 year old can be relieved by physical means and medication. Prickly heat is a common, superficial, inflammatory skin condition that occurs in the summer or in hot and humid environments. It occurs in infants, young children and the elderly, especially in summer. The main clinical manifestation is the appearance of small blisters and pimples on the skin, which may be accompanied by itching or pain and other symptoms. Prickly heat can be relieved by physical means, paying attention to keep the room ventilated and cool to reduce sweating and facilitate sweat evaporation; clothing should be wide, so as to facilitate the evaporation of sweat; timely replacement of damp clothes, often keep the skin clean and dry, often use a dry towel to wipe the sweat or bathe frequently with warm water. Severe cases can also be treated with topical glycerine lotion, hydrocortisone butyrate ointment and other drugs. If the 10-year-old child prickly heat on the body through the physical way did not relieve, and there is a tendency to aggravate, should promptly go to the hospital, under the guidance of the doctor symptomatic treatment, avoid unauthorized use of drugs.