Tinea pedis is the common name for “ringworm of the foot”, which causes the feet to shed a layer of skin after treatment with exfoliating agents such as 5% salicylic acid, benzoic acid and undecylenic acid. Tinea pedis is a skin disease caused by a dermatophyte infection, which is treated with topical or systemic oral antifungal agents. Among the preparations with keratolytic effect are salicylic acid, benzoic acid, undecylenic acid, etc., with keratolytic and corrosive, antifungal effect, after use, the cuticle is softened and dissolved, so the patient manifests the phenomenon of peeling off the skin, which is suitable for scaly keratinized tinea pedis. Tinea pedis is divided into blister type, between rubbing erosion, scaly keratosis type, in which scaly keratosis type patients are mostly manifested as heel or foot edge skin thickening roughness and dryness, desquamation, clinically the most common, can be used to peel off the thickened keratin keratin softening agent treatment. It is recommended that patients suffering from athlete’s foot should go to the regular hospital in time for examination, under the guidance of the doctor’s reasonable standardized treatment.