In conclusion, BLCA-4, BTA, NMP22, CEA, body mass index, smoking, family history of bladder cancer, occupational exposure to aromatic amine chemicals, number of tumors, instillation of chemotherapeutic agents were found to be independent predictors for recurrence after TURBT in the Han Chinese patients with NMIBC. The gene discussed is CEACAM5; the disease is urinary bladder carcinoma.