Taking incentive innovation and development of high-tech industry as an economic activity, we must understand its market nature well. This paper brings to light the internal relations between high-tech industry and imperfect competition through analyzing high-tech industry's special features, that is ,imperfect competitiveness of market is not only the inevitable outcome of innovation, but also the necessary requirement of continuing innovation. Thus, to promote the continuing development of our country's high-tech industry, we should take relevant measures to construct a domestic market of imperfect competition.