This paper extends the service quality model by using the service blueprint theory. Through combingStraditional perceived service quality indicatorsSwith the characteristics of service informationization, this paper adds two dimensions of "running once at most" and "information quality", then, constructs 58 evaluation index systems.SBased on data from the random questionnaires of all kinds of electricity users, the empirical results of the service quality model show that: Consumers pay more attention to "running once at most" and information quality. Based on this, authorSputsSforward suggestion onSimprovingSservice items such as "running once at most" and information qualitySas well as how to using this extending model.