Prickly heat on the back can be relieved and treated through lifestyle modification, topical medication and oral medication. 1. Life management: Wear loose and breathable cotton clothes, and ventilate the room more often to ensure that the indoor air circulation and freshness. Wash with warm water every day to ensure clean skin, which can effectively relieve the symptoms of prickly heat on the back. 2. Topical medication: You can use glycerin lotion and prickly heat powder under the guidance of a professional doctor. For pus prickly heat, you can use ichthyol-glycerin lotion; for red prickly heat, you can use hydrocortisone cream and other medications. 3. Oral medication: If the symptoms are more serious or the effect of local medication is not obvious, you can choose to use loratadine tablets, cetirizine hydrochloride tablets, cefuroxime capsules and other drugs for treatment. In the use of medication, should be used under the guidance of a professional physician, should not be used without authorization, in order to avoid adverse reactions, resulting in adverse consequences.