With the increased competition in the financial market, however, the implementation of key account management has faced some serious problems that cause a development bottleneck in China, including homogeneity of customer services, week individualization and lower user satisfaction and so on. In order to deal with these problems, this paper argues that the bank industry should carry on the value innovations from four different aspects based on the academic arguments relating to it: product, service, brand and communication. It also provides the detailed methods of value innovation in accordance of those four different aspects applicable in the bank practices.