The Fifth Plenary Session of the 18th CPC Central Committee proposed the development principle of “taking the people as the center” and the ideas of innovation，coordination，green，open，sharing development. China made outstanding contributions in implementing the UN Millennium Development Goal，and makes positive responses the goals set by the Sustainable Development Agenda 2030. In the process of formulating the Treaty of Paris in the 21st session of the United Nations Climate Change Conference，China put forward a series of positive suggestions to promote reaching the agreement，and promised to make independent national contributions，actively promote green development. All these have contributed to the deepening the understanding and guarantee the realization of the to development.