Prickly heat, also known as corn rash, is a superficial, inflammatory skin condition common in summer or hot environments. The most effective way to get rid of prickly heat in adults does not generally exist. It can be removed through general treatment, topical medication, oral medication and other methods. 1. General treatment: keep the skin dry and clean, change loose cotton clothes, avoid scratching, keep the room ventilated, you can use a towel wrapped in ice packs to apply cold compresses to the lesion area, after general treatment, most of the less severe prickly heat may disappear on its own. 2. Topical medication: Glycerin lotion and prickly heat powder can be used externally, and 2% ichthyol glycerin lotion and Huanglian powder can be used externally for pustular prickly heat. 3. Oral medication: antihistamine can be taken orally if the itching is obvious, and antibiotics such as cefprozil can be taken orally if the infection of prickly heat is serious. Adults with prickly heat should consult a doctor in a timely manner, under the guidance of a doctor to standardize the treatment, the drug should be used in accordance with the doctor’s instructions, do not self-medication.