The effects of the usage of e-bank on performance

With the development of information technology,e-bank is increasingly used for payment. Based on the TAM and ID theory, this paper explores the effect of usage of e-bank on bank's performance. The bank performance is invided into financial and relational performance. The usage of e-bank affacts the financial performance by customer share, and affacts the relational performance by customer dependence. This results is helpful both to understand the e-payment academic research and to guidence to e-bank in practice.