Abstract: The present disclosure relates to a novel function of a specific gene and has an effect of providing a composition for diagnosis of recurrence of bladder cancer, particularly, non-muscle invasive bladder cancer (NMIBC). Further, according to the present disclosure, it is possible to accurately predict recurrence after surgical tumor removal form a patient with non-muscle invasive bladder cancer, and the present disclosure has an effect of providing information of personalized medicine after surgical tumor removal form a patient with non-muscle invasive bladder cancer.