Sweat spot is also clinically known as pityriasis pilaris, which is an epidermal fungal disease caused by Malassezia infection. The first choice in general treatment is the topical antifungal drugs, commonly used such as ketoconazole ointment, clotrimazole ointment, can also be applied like ketoconazole lotion, selenium disulfide lotion for external application, the effect can also be. But it should be noted that if the patient’s skin damage is relatively large, the application of topical drugs may not be effective, you can take oral antifungal drugs with the treatment, commonly used itraconazole. Patients in adhere to drug treatment at the same time, need to pay attention to regular bathing, diligent change of clothing, the best wear comfortable and breathable cotton clothing, can effectively ensure that the skin clean and dry. Pemphigus foliaceus may cause other close contacts to be infected, so the intimate clothing of patients with pemphigus foliaceus must be dedicated and disinfected by boiling at high temperature.