Abstract: The development of big data has prompted library service to face new challenges and opportunities. Library resource organization forms and service models are also facing a new transformation. While library reading promotion has developed into physical space and virtual space, its evaluation model is also an important research content of library community. This paper analyzed recent developments in the academic community on reading promotion activities and evaluation studies, listed examples of professional reading promotion at home and abroad, and combined the service model of Guangzhou College of Commerce Library to construct the evaluation model, so as to promote and deepen the professional subject service of university libraries, and build a new knowledge service system in big data era.