Clinical and statistical observations were made on 15 cases of squamous cell carcinoma of the bladder experienced at our department during the past 19 years. The patients were 10 men and 5 women ranging in age from 41 to 80 years (median: 65.1 years). Forty percent of the chief complaints was bladder irritability without macrohematuria. The prognosis was very poor. Three-year and five-year survival rates were 32.3% and 26.1% respectively.