This study attempts to define the view that what factors will affect the customer satisfaction of using internet bank with reference to the users in Mongolia. There are 200 sample questionnaires were surveyed from the internet banking customers in Mongolia. ANOVA, Single factor regression and multiple variable regressions including other regression model research methods are used by this study to implement the empirical work. This study infers that the quality of internet service will directly impact on the users’ satisfaction, however, the user’s personal characteristics will impact on the perceived value of the quality of internet banking service, it implied that the personal characteristics will indirectly effect on the users’ satisfaction.