Abstract:The paper is focused high-tech enterprise groups in Shanghai. The policy implementation of high-tech enterprises was all-round studied, from the identification policy of high-tech enterprises itself, the tax preferential policy of high-tech enterprises, the identification policy process management, the related intermediary agencies, policy linkage, etc. The main effects of policy implementation of high-tech enterprises were analyzed and the status and the problems of high-tech enterprise policy were explored. On the basis of practice of in-depth, the policy suggestions for optimization and perfection of high-tech enterprise policy was put forward.