Baby prickly heat on the back can be relieved by general treatment and medication. 1. General treatment: Usually, children should wear loose cotton clothes, keep the room well ventilated, keep the affected area clean, and lower the room temperature when it is hot to avoid the environment temperature is too high. 2. Medication: Glycerin lotion and prickly heat powder can be used externally to astringe and dry the local skin. When the symptoms are serious, it is necessary to follow the doctor’s advice to use external glucocorticoid drugs such as dieldrin ointment, mometasone furoate gel, etc., and when the itching is obvious, it can follow the doctor’s advice to take oral antihistamine to improve the symptoms. If the child’s back long prickly heat continues to not subside or the symptoms are more serious, we should go to the hospital in time, symptomatic treatment, do not unauthorized use of drugs.