capital normal university library (cnu library) initiated the first practical application of a 3d virtual library sites-navigation system (an electronic kiosk version) among chinese academic and research libraries in 2010. it was primarily based on the technologies of 3dsmax and virtools. this paper concentrates on the discussion of the methods in creating the 3d model and in realizing the interaction among the data usage of the system. as a result, several important service functions of the system have been developed successfully so far for convenient public access. they include the functions of virtual-book searching, path navigation online, real-time message exchanges, and multi-media sharing, etc.