Abstract:From the perspective of two-stage innovation, the innovation process is divided into the stage of R&D and the achievements’ transformation. SBM-DEA four-stage model is used to evaluate the efficiency of government fiscal policy in two stages of innovation activities in industrial enterprises above designated size. The results show that the effect of Chinese government fiscal policy in the stage of achievements’ transformation is greater than that in the stage of R&D, the average annual fiscal policy efficiency in the stage of R&D is 7.626 and the average fiscal policy efficiency in the stage of achievement transformation is 12.237. The efficiency of fiscal policy in each province is different.In the stage of R&D, the efficiency of fiscal policy of Qinghai province is the highest, the efficiency of fiscal policy of Guangdong, Jiangsu, Shandong and Zhejiang provinces is lower, while in the stage of achievements' transformation, the fiscal policies of Jiangsu and Guangdong provinces are more efficient, and the fiscal policies of Qinghai and Ningxia provinces are less efficient.