90％以上膀胱肿瘤属移行细胞型．膀胱移行细胞癌75％～85％最初表现为表浅乳头状肿瘤，表浅细胞癌术后复发率高达40％～70％，防止肿瘤复发已成为表浅膀胱癌防治中的主要问题．我院近5年来应用卡介苗（Bacillucalomette-Guerin简称BCG）＋白细胞介素-Ⅱ（Interleukinz简称IL－ More than 90% of bladder cancer is a transitional cell type. Bladder transitional cell carcinoma 75% ~ 85% initially showed superficial papillary tumors, superficial cell carcinoma recurrence rate as high as 40% to 70%, to prevent tumor recurrence has become the main problem in the prevention and treatment of superficial bladder cancer. My hospital nearly 5 years of application of BCG (Bacillucalomette-Guerin referred to as BCG) + interleukin-Ⅱ (Interleukinz referred to as IL-