Dermatophytosis, often referred to as dermatophytosis. The condition is an infection of the skin, hair, nails, and other parts of the body caused by a dermatophyte infection. Patients with dermatophytosis can use topical ointments such as terbinafine cream, ketoconazole cream, and salicylic acid ointment under a doctor’s supervision. Dermatophytosis mainly includes tinea capitis, tinea corporis, tinea cruris, tinea cruris, etc. It is mainly a disease caused by fungal infection. Patients with dermatophytosis can use antifungal drugs such as terbinafine cream, ketoconazole cream, clotrimazole ointment; when inflammation is obvious, you can use glucocorticosteroids and antifungal composite preparations, such as tretinoin econazole cream; patients with scaly, keratinized tinea cruris can be combined with the use of keratolytic agents such as urea cream or salicylic acid ointment. All of the above drugs should be used under the guidance of a doctor. Patients should not use them on their own, so as not to delay the condition. Patients with dermatophytosis should go to the hospital in time, under the guidance of the doctor for regular treatment.