“The modernization of the harmonious coexistence of man and nature” is the first initiative of the Communist Party of China, and the only way for Zhejiang Province in building the “important window”. In the process of realizing the “modernization of harmonious coexistence between man and nature” featuring green orientation, ecological priority, beautiful environment and efficient resources, Zhejiang Province aims at “a higher standard to promote green low carbon development and a greater scope to promote ecological environment protection, with stronger efforts to promote the efficient utilization of resources, with a wider vision to promote beautiful urban and rural construction, with greater endeavor to promote the ecological science and technology innovation, with more strict requirements to promote the ecological environment governance”. It is determined to create an “important window” with “leading ecological economy,ecological environment landscape,natural resources circulation, a provincial integrated big garden, green science and technology innovation autonomy,ecological civilization system” as the main representations. The “important window” of “modernization in which man and nature coexist harmoniously” is the integrated achievement of “theory, practice and system”, which fully demonstrates the great superiority of the socialist system with Chinese characteristics in the new era.