By way of material flow analysis,this paper demonstrates resource consumption characters as well as dynamic trends of our country's economy system.As a result,it implies that China's total material requirement goes beyond America remarkably,and the trend seems to be rising increasingly;material consumption per capital is not high,equals to that of Japan & England;China's Environment Kuznets Curve appears reversed "U" outstandingly;large hidden flow of export material causes the current foreign trade to be the disadvantageous state.