Sweat patches are also known as florid furuncles, which usually return to normal skin after treatment. Furfurfur is a superficial infection caused by Malassezia violating the stratum corneum of the skin, and it occurs in places rich in sebaceous glands and sweat glands such as the face and neck, armpits, back of the shoulders, etc. The skin lesions are usually light red, brown or white dotted spots, and with the development of the disease, the neighboring lesions can be fused with each other and turn into large irregular patches. Generally speaking, the prognosis of florid chaff rash is better after treatment with antifungal drugs such as topical drugs (e.g. ketoconazole, miconazole cream, etc.) and oral drugs (e.g. itraconazole, fluconazole, etc.), and the skin can be restored to its normal appearance. It is recommended that patients seek timely medical attention and treatment in accordance with the doctor’s instructions, the above medication needs to comply with the doctor’s instructions.