Prickly heat is generally referred to as corn rash. In summer, corn rash on the head can be relieved by general treatment (e.g., keeping the area dry, using fans, etc.) and medication (e.g., topical medication, oral medication, etc.). 1. General treatment: Wash the head with lukewarm water every day and avoid wearing airtight hats. In addition, fans and air-conditioners can be used to lower the body temperature so as to keep the head fresh and dry, but it should be noted that fans and air-conditioners should be avoided to blow directly on the head in order to avoid discomfort. 2. Local medication: you can follow the doctor’s instructions for local use of glycerite lotion, prickly heat powder, etc., to reduce the symptoms, if the lesions manifested as erythema with papules, pimples, glucocorticoids can be used as appropriate, such as hydrocortisone, trimethoprim, and so on. If secondary infection, antibiotic ointment such as erythromycin can be used. 3. Oral medication: generally do not need oral medication, such as itching is obvious, oral antihistamines, such as cetirizine, loratadine, etc., the infection is serious, need to comply with the doctor’s instructions for antibiotic treatment, such as amoxicillin, roxithromycin. Corns belong to the self-limiting disease, most patients in the cooler weather or scientific care a few days, can return to normal, if there is obvious discomfort, but also need to follow the doctor’s advice for treatment.