KIF20B, which is known as MPHOSPH1, one of the kinesin superfamily proteins and one of the most promising oncogenic targets, has been reported to play an essential role in the carcinogenesis and progression of several kinds of cancers, including bladder cancer, breast cancer, renal cancers, and hepatocellular carcinoma [35]. This evidence concerns the gene KIF20B and urinary bladder carcinoma.