Heat rash generally refers to prickly heat, which can be eliminated by general treatment, topical medication (e.g., glycerite lotion), and oral medication (e.g., amoxicillin). 1. General treatment: keep the skin clean and dry, wear loose and comfortable clothes, reduce friction, avoid scratching the affected area, and keep the living environment cool and ventilated to lower the skin temperature. 2. Topical medication: you can use glycerine lotion, peppermint, prickly heat powder to relieve the symptoms of itching; when the condition is more serious, you can use glucocorticosteroids to relieve the symptoms, commonly used drugs are hydrocortisone cream; when there is an infection, you can use mupirocin ointment to carry on the anti-infection treatment. 3. Oral medication: itching is obvious, the effect of external drug treatment is not obvious, you can take oral antihistamine treatment, commonly used drugs are benadryl, loratadine, etc.; pus rash infection symptoms are serious, you can use amoxicillin, roxithromycin and other drugs for the systemic anti-infective treatment. It is recommended that patients go to the hospital in a timely manner, strictly comply with the doctor’s prescription medication, so as not to delay the condition.