With the advent of the network era, the traditional paper reading habit of libraries is changing towards digital reading. Strengthening the construction of digital resources in university libraries has become the focus of library work. Based on the current situation of the development of the digital resources of private college and university libraries in Chongqing, this paper analyzes the problems existing in the development process, and takes the library of Chongqing College of International Business and Economics as an example to explore the route of the development and innovation of digital resources of private college and university libraries in Chongqing.