As a product of social movement, German Green Party, with “the veil of green”and philosophical ideal, adheres to the political principle and policy proposals which takes ecological priority as the core, but it was finally convinced by political reality and gradually moved toward the road of power. The adjustment and improvement of its own policy and platform has shown the power demand of the party. The change between the two faces of German Green Party has caused a series of effect in the country as well as Europe even to whole world around. And this effect, accompanied by the development, maturity and perfectionof the Green Party, has drilled down from power to order, then to civilization, which even may become a buffer of clash of civilization.