Prickly heat on the back can be treated by general treatment, topical medication, systemic medication and other measures. Prickly heat on the back is mainly due to the hot and stuffy environment, a large amount of sweat is not easy to evaporate, resulting in swelling of the stratum corneum, sweat gland ducts are blocked, narrowed, caused by skin rashes, itching and other symptoms. 1. General treatment: first of all, avoid re-exposure to high-temperature environment, keep the skin clean and hygienic, rinse with water, avoid mental stress, pay attention to rest, eat more vegetables, do not eat chili peppers, as well as fried food, too sweet, too spicy products. 2. Topical medication: you can choose glycerin lotion, prickly heat powder and other astringent, anti-itching drugs, if there is pus prickly heat, you can use ichthyol ointment and so on. 3. Systemic drugs: you can take antihistamines such as loratadine and chlorpheniramine for severe itching, and antibiotics such as amoxicillin and cefadroxil for severe prickly heat infections. The back of prickly heat, it is recommended to consult a doctor in a timely manner, in accordance with the doctor’s instructions for treatment, to avoid their own abuse of drugs.