Constructing green economic system for the development of green economy

The 21 st century is a century for sustained economic development.Green economy,as an environmentfriendly and economically efficient form of economy,will surely become the mainstream of the economic development. Green economy,one mode of sustained economic development,is guided by knowledge economy and built on the ecological economy and the well functioning of environment.The development of green economy will make China become an integrated part of the global sustained economic development. It is the strategic decision making for Chins macro economy.In order to develop green economy,it is urgent to develop the green economy system,especially green GDP system.