The purpose of this study was to describe the amount of basal cell carcinoma 2345 biopsies which done in years (1992-1996) in dermatology ward of Sina hospital. The result were : basal cell carcinoma was the commonest malignant skin tumor which 98.2% of them were in the head & neck and ulcerated plague and nodule were the commonest clinical manifestation of them. 60.9% cases were men and average age of them was 58.94 years. 56.4% of cases rural and the other urban. House keeping in the rural women and agriculture in men was the commonest jobs inpatients. The accuracy rate of diagnosis was 85.1% in the ward.