Commonly used antifungal drugs can be divided into antifungal antibiotics and chemical synthetic preparations, and the mechanism of action is mainly the following: 1, damage to the fungal cell membrane; 2, damage to the fungal cell wall; 3, affect the synthesis and function of nucleic acids; 4, there are some drugs whose mechanism of action is not too clear. Commonly used antifungal creams mainly include the following: 1, azoles, such as ketoconazole, miconazole nitrate ointment, sertaconazole nitrate ointment, etc.; 2, commonly used antifungal creams acrylamides, such as terbinafine ointment; 3, other mechanisms of action of cypyridone amine cream; 4, there is another kind of potassium iodide, whose mechanism of action is still unclear, is generally the drug of choice for the treatment of skin-type sporotrichosis, such as 10% of potassium iodide solution.