Sweat patches, also known as lichen planus and lichen planus furfur, are caused by Malassezia furfur infections, which can generally be clinically cured through active and standardized antifungal treatment. 1. Tinea pedis, a superficial infection caused by Malassezia violating the stratum corneum of the skin, may also be related to heredity, environment, age, medical factors, bad habits and other risk factors, which will lead to skin rashes, itching, pitting, rounded patches, furfuraceous scales and other symptoms. 2. Can be used under the guidance of the doctor external antifungal drugs, such as ketoconazole lotion, miconazole ointment, bifonazole ointment, clotrimazole ointment, etc., can inhibit seborrhea, inhibition of fungal activity, if necessary, oral itraconazole, fluconazole, praconazole, ketoconazole, etc., generally through the active formal antifungal treatment, the symptom can be effectively relieved, and can achieve a clinical cure. It is recommended that patients develop good living and hygiene habits, treatment under the guidance of a professional doctor, and medication as prescribed by the doctor.