Abstract:The multiple impact of government R D funding on is becoming a new research focus of the scholars,since Nelson (1959) and Arrow (1962) foundthe market failure from the R D activities.Research findings in the past are mainly concerned about the effect of government R D funding on enterprise innovation behavior, innovation performance, the technological innovation mechanism and path of enterprises, firm heterogeneity and the difference content of financing ways. Although the relevant researchhave been very fruitful, theoretical research on this issue is the lack of sufficient breadth and depth,data representation is not strong,haven’tgotten consistent conclusion.At the same time,there are few researches on the influence of enterprise innovation decision, such as systematic research from the perspective of the whole chain of enterprise innovation,which need to conduct more in-depth research.