There is no such doctrine as the fastest remedy when it comes to the treatment of sweat patches. Generally according to their own conditions, under the guidance of the doctor to use antifungal drugs (such as ketoconazole, etc.) for external and internal treatment. Sweat patches is the common name for florid chaff rash, which is a fungal skin infection caused by Malassezia violating the stratum corneum of the skin. It is mainly characterized by the appearance of pitting and scaling of the epidermis. Generally, topical antifungal drugs (such as ketoconazole ointment, 2.5% selenium disulfide lotion, etc.) are used under the guidance of a doctor for a period of 2-4 weeks. If the lesions are large, oral antifungal drugs (such as fluconazole, etc.) can also be used for treatment. It should be noted that, in order to avoid recurrence, after the lesions disappear, it is necessary to continue to use topical medication for a few weeks, in order to achieve the purpose of eliminating the remaining fungi on the skin. The specific treatment period needs to be decided according to the individual’s treatment results.