| Social population, natural resources, environment and economic development are interdependent relationship to each other. For human resources and environment system provides the material conditions of production of labor, human economic activities, and it is the natural purification of human social economic activities of the discharge of wastes. And human development is a long-term interactive process of environment and social economy. However, whether the development potential of natural resources, or the environment ability of netting itself is limited.Coordination is the interconnected harmony between the several elements and positive interaction. To achieve sustainable development, we have to coordinate the relationship between man and nature, and the relationship between economic development and natural resources and environment. We should also grasp and solve comprehensive issues from the general population, resources environmental and economic development. In order to achieve this goal, we must understand the interaction between population, natural resources, environment and economic development, as well as the state between them. We should ensure them in good state of interactive co-ordination, which requires us to establish a set of evaluation and detection of population, resources, environment and economic development coordination degree mechanism.Sichuan Province is a landlocked province, which have many people, capita resources limited, low level of economic and technological. In the process of economic development, natural resources, environment, ecology and other issues become more prominent, and has become constraints of further economic development. Therefore, the implementation of the strategy of sustainable development in Sichuan and achieving the coordinated development of population, natural resources, environment and economic development become the inevitable choice. In recent years, the government of Sichuan Province has done a lot of effort. But because of lack of foundation and other reasons, Sichuan Province, is also faced with pressure of harmonious development between population, natural resources, environment and economic.In this paper, the starting idea of sustainable development in the establishment of development indicators between population, resources, environment and economic, we calculate the Sichuan province’s coordination of development between population, resources, environment and economic. And next give the corresponding analysis done on the results. In the end this paper gave some relevant countermeasures and proposals of the existing problems. |