Abstract: The concept of knowledge transfer was proposed in 1977 by Teece who is the technology and innovation management scientist in United States.At present,library circles in China have made great achievements about the study of the theory of knowledge transfer,but the research on the technology,model,protection mechanisms and incentive mechanisms of knowledge transfer under network environment is not perfect.This paper researches library knowledge transfer from three aspects.

Key words: knowledge transfer; library; protection mechanism; incentive mechanism