Abstract:Based on the provincial data of China from 2012 to 2018, this paper studies the mechanism and action path of intellectual property protection to stimulate the innovation vitality of high-tech enterprises by protecting the rights and interests of innovation achievements. The research shows that intellectual property protection stimulates high-tech enterprises to increase innovation investment by guaranteeing new technologies and new achievements of high-tech enterprises. Specifically, intellectual property protection indirectly affects innovation investment of high-tech enterprises through two paths. First, intellectual property protection indirectly affects innovation investment of high-tech enterprises through the impact on new technology; second, intellectual property protection first affects new technology, further affects new products, and then indirectly affects innovation investment of high-tech enterprises; path one plays a major role.