膀胱肿瘤９０％以上属移行细胞型，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。我院近三年来应用ＢＣＧ＋ＩＬ－Ⅱ行膀胱内灌注取得较好的预防复发的效果，现报告如下。 More than 90% of bladder tumors belong to transitional cell type, and 75% ~ 85% of transitional cell carcinoma of the bladder initially manifest as superficial papillary tumors. The recurrence rate of superficial cells is as high as 40% -70% after operation, preventing recurrence of tumors has become superficial The main problems in the prevention and treatment of bladder cancer. Nearly three years my hospital application of BCG + IL-II intravesical instillation to achieve better prevention of recurrence, the report is as follows.