The present study was diagnosis and Treatment of dermatophytosis in Cats. Cases of Mycology Clinic were involved in this study: 58 cats, 1 mounth/4 years aged).Medical exams were: anamnesis, clinical examination and dermatological exam. Samples were collected from Skin scarping and hair from cats with clinical suspicion of dermatophytosis. From 58 Cats revaled 18 (31%)showed lesion with dermatophytosis.