Abstract: At the times of knowledge economy,knowledge management has been accepted as an important method to enhance the enterprise competence. Having analyzed all kinds of knowledge movements in the Enterprise Knowledge Life Cycle(EKLC),the author established an Enterprise Knowledge Flow Model with 10 knowledge flows,which covers all periods of the EKLC. This article also illustrated that the object of the knowledge management based on EKLC is to get the maximum profit from the knowledge by promoting the increment flows and retarding the devaluation flows by proper methods. At last,the paper analyses a knowledge management case of a famous company.

Key words: knowledge flow, knowledge life cycle, knowledge management, knowledge flow model