Abstract: The theory research and the empirical study,cannot support that to enhance property rights protection is certainly to be able to promote the technological innovation.Therefore,it is necessary to research on how to streng then property rights protection to improve technological innovation activities,to adjust the techno logypolicy in China.This research based on "the supervision,and the competitive system of government",is to exament "erprises' intellectual property rights management practice to take the ad justment factor pattern of enterprises" innovation performance.We use Chinese Manufacturing industry Enterprises' cross section data to study the hypothesis and the model.The results indicate that: the national important economic policy and technology policy promote enterprises' innovation performance.At the same time,we need to see that the enterprises using property rights protection strategy is an adjustment factor of the policy environment,and the enterprises' behavior accuracy and validity,also will bring the influence to intellectual property rights' protection.Moreover,strategic practices of intellectual prop erty rights will also affect the intellectual property protection and the enterprises' innovation ability promotion.Based on this basic analysis,this article also puts forward solye policy proposals.

Key words: government supervision, eel effect, intellectual property rights management, innovation performance, enterprises in manufacturing industry