Prickly heat on the back can be treated with intensive care, topical medication and oral medication. Prickly heat is due to high temperature and humidity in the environment, excessive sweating, not easy to evaporate, sweat infiltration and irritation of the surrounding tissues and the appearance of pimples, papules and small blisters at the sweat holes. Commonly used treatment methods are as follows: 1. Enhanced care: prickly heat is an inflammatory skin disease that appears in summer or hot conditions, the surrounding environment should be controlled at the appropriate temperature to avoid sweltering, keep the skin fresh and clean, take baths diligently and wear loose cotton clothing. Keep away from irritating environment. If prickly heat is not serious, it can be relieved under normal circumstances. 2. Topical medication: If accompanied by obvious itching symptoms, you can apply local glycerine lotion, etc. If pustules appear, you can also combine with Huanglian puff powder treatment. 3. Oral medication: For combined bacterial infections, oral antibiotic medication such as tetracycline, cefuroxime, erythromycin, etc. is needed. For severe itching, local medicine can not be relieved, you can take oral cetirizine, loratadine and other drugs to relieve. Back long prickly heat if the care can not be relieved after the timely medical treatment, according to the specific circumstances of the treatment, can not just indiscriminate use of drugs.