China is one of the countries to which foreign direct investment inflows most.According to the analysis of the panel data of all the provinces in China,FDI has spillover effects on technology innovations.It also demonstrates that the spillover effects are impacted by regional differences,ownership structure,market capacity and so on.We should improve the investment environment of middle and western provinces,strengthen the market competition system,promote the state-owned enterprises' reform,encourage the private enterprises to participate in competition to advance the FDI spillover effects.