Scientific and technological innovation has become an important source of national and regional economic development.As a big province in Central China, Anhui Province,following the pace of national scientific and technological innovation,takes various measures to formulate relevant tax preferential policies to serve scientific and technological innovation.Based on the analysis of the mechanism of tax policy promoting scientific and technological innovation,this paper combs the existing tax policies supporting scientific and technological innovation in Anhui Province,discusses the defects of the tax policies supporting scientific and technological innovation in Anhui Province,and puts forward some suggestions for supporting the tax policies of scientific and technological innovation in Anhui Province.