The combination of expected expectations and actual feelingsIt can be seen from the previous theoretical introduction that the service quality evaluation model studied in this paper is based on the SERVQUAL modelEstablished by further adjustments, and the core content of the model is the evaluation result of service quality, which depends on the service usersThe subjective gap between the expected expected value of the service received and the actual result. Therefore, bank information technology system servicesThe establishment of the service quality evaluation model requires the effective combination of these two indicators. All classification indicators must be centered on expectations and feelings.Knowing to design, thus to fully and truly reflect the service user’s evaluation of service quality, so as to achieve continuous improvementGoal of optimizing and improving service quality