Abstract: Patent application continued growth makes the major patent offices face more and more serious patent examination backlog in the world, so they have begun to reform their patent examination system. This paper discusses the interaction affect mechanism between patent propensity and patent examination behavior, and the transmission affect mechanism on technological innovation. On this basis, this paper presents the reform suggestion on the patent examination fees system and the patent examination resources allocation system by affecting the patent application quantity and quality in different patent propensity to achieve the effect of promoting technological innovation.