Children with heat rash can be reasonably treated by general treatment, topical medication and systemic medication. 1. General treatment: Heat rash is mainly caused by high ambient temperature and sweating. Therefore, it is necessary to pay attention to keep the surrounding environment cool and comfortable, especially in summer, by turning on the air conditioner or fan to ventilate the heat, and secondly, keep the skin clean and dry. 2. Topical medication: After the child grows heat rash, itching and other uncomfortable symptoms can appear, you can under the guidance of the doctor, external application of cool, astringent, anti-itching drugs for relief, such as glycerine lotion, prickly heat powder, etc.; for pus prickly heat, you can use 2% of the ichthyol glycolite lotion, Huanglian puff powder, etc. for relief. 3. Systemic medication: For the intense itching symptoms caused by heat rash, oral antihistamines can be used for treatment. If the symptoms of heat rash are severe and difficult to relieve, the child can go to the hospital for consultation and treatment to avoid affecting the child’s health.