Prickly heat, also known as corn rash, often caused by the hot and stuffy environment, is a common skin disease, there is no “quick fix” clinically, usually according to the severity of the patient’s condition, through the general treatment, topical medications, oral medications and other methods to alleviate the problem. 1. General treatment: patients are advised not to scratch the affected area to avoid secondary bacterial infections caused by skin breakage; try to work and live in a dry environment with suitable temperature to keep the skin clean and tidy. 2. Topical medication: when prickly heat is long, you can use astringent and anti-itching lotion, such as glycerite lotion, etc. If the infection is combined, you can use erythromycin ointment and other antibiotic ointment under the guidance of the doctor, and take amoxicillin and other sensitive antibiotic treatment orally. 3. Oral medication: If prickly heat patients itching is more serious, and the effect of external drugs to stop itching is not good, you can take oral antihistamines to stop itching treatment, such as loratadine, cetirizine and so on. In hot weather, patients should pay attention to indoor ventilation, maintain a suitable indoor temperature, and at the same time in the long prickly heat period should choose loose and breathable clothing, do not do strenuous exercise, keep the skin dry, clean, to avoid infection.