The purpose of the study is to understand job satisfaction of academic librarians in Taiwan and the relationship between job satisfaction and factors. The samples of investigation are librarians from 25 academic libraries in Taiwan. The result of the study is that most librarians are female, age between 31-45, college graduated, professional training, having worked from 4 to 20 years in national academic libraries. And librarians are not satisfied with overall job and any dimension of job. Finally, based on these findings, the study has some suggestions for the academic libraries, librarians and readers.