Scleredema adultorum has been generally considered as a rare dermatalogic disease affecting children or young adults usually female: It may be preceded by a respiratory tract infection. But a special form of scleredema, confincd to adults with severc and complicated diabetes mellitus, has come to he recognized. The predominant clinical features were obesity, long-standing diabe.es mellitus and scleredema. Most patients were resistent to antidiabetic therapy, It lasts for an indefi- nite eriod of time, without tendency to spontaneous remission. We present a case of diabetic scleredma developed on the neck, face and extremities in 60-year- old man an who had been suffered from diabetes mellitus.