It is known that sustainable competition advantage is the basic guarantee for enterprise sustainable development, and enterprise core competence is the source of its sustainable competition advantage. The stability of core competence is relative, whereas dynamic evolvement is absolute. In different economy eras, there are differences in core resource and core capability. In order to adapt to the new characteristic and demand of knowledge economy era, enterprise core competence develops and evolves driven by the transformation from industrial economy to knowledge economy. Therefore, in this paper, the summary of research on the connotation and its e-volving process of enterprise core competence are carried out firstly. Then, three challenges and two opportunities are deeply analyzed, which enterprise core competence is up against in the era of knowledge economy. On the basis, the direction, track and evaluation standard of enterprise core competence evolution is studied, in the background of knowledge economy. All the work is expected to enhance enterprise ability to rebuild and improve its core competence, to win competition and realize sustainable development in knowledge economy era.%本文首先综述研究了核心竞争力的内涵及其演变历程,而后分析了在知识经济时代企业核心竞争力演化面临的三大挑战与两重机遇；在此基础上,进一步讨论了知识经济背景下企业核心竞争力演化的方向、路径、规律及其评价标准.本文研究内容将有助于企业在知识经济时代重塑、提升其核心竞争力,赢得竞争与发展.
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