Facing the status quo of the rapid development of cluster economy, some cluster policies have been developed in developed countries. The development of clusters in China also needs the support of cluster policies, it is necessary to analyze and research those policies. The cluster policies in Euro-American are analyzed according to the cycle chain of the origin, functional niche, operations, and effects of those policies. Then, some experience of the practice in those countries is discovered. And it could provide some revelation for the correlative research. . 13 Refs In Chinese