摘要:With the development of information technology, the Information System (IS) has not the characters of rareness and inimitability, so an IS cannot form core competence alone. Forming synergic relationship and keeping higher synergic degree between IS and corporate strategy will help the enterprises acquire competence advantage and realize IS value. This paper analyzes the conditions of forming synergic relationship between an IS and strategy, and points out that the key factors for a synergic degree are the strategy rationality and the matching degree between the IS and strategy. Based on the analysis result and BCG growth share matrix, this paper constructed a synergy degree measure model to evaluate the synergic relationship between the IS and corporate strategy. Finally, a case study is used to verify the feasibility of the model