Abstract: Based on survey and analysis of the status quo of libraries of colleges and universities in Chongqing, this paper expounds the necessity of digital library construction of Chongqing, puts forward the p rinci2 p les for the digital library construction in order to realize resources co2construction and share, points out that Chongqing digital resources center is constructed by taking regional alliance and L ib2. 0 management system as the p latform in the digital library construction, makes discussions and gives ideas and suggestions for the digital library construction of colleges and universities in Chongqing on the basis of Chongqing digital library construction p roject p lan.