Prickly heat, also called corn rash, is a superficial as well as inflammatory skin condition that is common during the hot summer months. It can be treated with topical and oral medications under the guidance of a doctor. 1. External drug treatment: to cool, astringent, anti-itch as the principle, can be used externally glycerine lotion and prickly heat powder, prickly heat can be used externally 2% ichthyol glycerine lotion, Huanglian puff powder. 2. Systematic drug treatment: If the itching is obvious, children can apply antihistamines under the guidance of doctors, such as cetirizine hydrochloride tablets, loratadine tablets and so on. Oral antibiotics can be taken if the infection is serious. In summer, children are advised to wear loose and breathable clothes and keep their skin clean and dry. If prickly heat occurs, consult a doctor and take medication as prescribed.