This study proposes a model to demonstrate the relationship between the service quality of academic library, users' perceived value, satisfaction and reused intention. A questionnaire survey is conducted to understand the library users' perceived value, satisfaction and reused intention of a University. There are 263 effective questionnaires. The result shows that the librarians' service has significant effect on the users' perceived value; the collection of printed publications, circulation and librarians' service have significant effects on users' satisfaction; users' satisfaction and perception have significant effects on the users' reused intention; the librarians' service is the most significant factor to affect users' satisfaction and reused intention. Moreover, after analyzing the importance-performance matrix, the result shows that the least performance item is the collection of printed publications.