Abstract: In order to quantitatively describe the relationship between financial development and economic growth,using the level of economic development,financial development scale,financial development efficiency index,with econometrics intrinsic linear mode analysis of the three indicators data,the empirical analysis results showed that when the financial related change rate of 1%,it would cause the per capita GDP growth of 0.086 631 2%, when the deposit and lending rate 1%,it would lead to the per capita GDP growth of 3.141 833%.it showed that the financial development of our country have obvious promoting effect on economic growth.