Abstract: Library services should be characterized by ubiquitous,transparence and open access in ubiquitous knowledge environment.This paper puts forward that we should insist on the idea of user-centered,initiative service and open sharing,and should enhance the research on the network technology,information equipment, the resources should be abundant,guaranteed quality and well organized in the construction of ubiquitous library in order to provide the immanence knowledge services for the users.The extensive of the entity library and network services can be the paths to make it come true.

Key words: ubiquitous knowledge environment;ubiquitous library;ubiquitous service