Background: This is the first report of study deals with skin tumors in the Suwon and South Kyungiido area during the past 11 years(1983-1993). Objective : We evaluated incidence of tumors, age and sex distribution, and tumor sites. Methods : We reviewed 1506 cases of skin tumors January 1983 to December 1993, at St. Vincent hospital. Results : l. In the 1506 cases of skin tumors, 1280 cases(85.0%) were benign tumors, and 226 cases(15. 0% ) were malignant tumors. 2. Among the 1280 cases of benign tumors, the most common tumor was epidermal cyst, which followed by lipoma, cavernous hemangioma, pilomatricoma, angiolipoma, neurofibroma and sebor rheic keratosis. 3. Among the 226 cases of malignant tumors, 78 cases of basal cell carcinoma, 59 cases of squamous cell carcinoma, 15 cases of malignant melanoma, 11 cases of actinic keratosis and 10 cases of metastatic carcinoma were found. 4. Among the 10 cases of outaneous metastatic cancer, primary sites were lung(3 cases), kidney(3 cases), breast, urinary bladder, stomach and large intestine. Conclusion : The 1506 cases of skin tumors, which were confirmed histologically at the St. Vincent hospital from January 1983 to December 1993, were reviewed. (Kor J Dermatol 1996;34(2): 199-205)