How to increase the effectiveness and service quality of public library is the subject that needs payingattention to. This paper discusses the common international public library performance measure indicators as well as the compilation and implementation of performance measurement and measure indicators in public libraries in Taiwan.Then the development course of public library evaluation in Taiwan is reviewed. Some suggestions are put forward onpublic library evaluation finally. We suggest that an evaluation database should be built for public libraries byrelated agencies; different evaluation criteria should be developed for different levels of public libraries;evaluation of the process and service should be stressed.