Given the population, resources and environment in our country the situation is still grim, regional development condition and development level difference is very big, the local sustainable development issues and strategic needs of diversified trend. Clarify the reason of the problem existing in the work of sustainable development, grasp the present and the future of the construction of the experimental area of new difficulties, find a way out of the scientific development, is our task.

The circular economy is the practice of implementing sustainable development strategy mode, to construct a resource-conserving and environment friendly society, take a new road to industrialization, is of great significance. However, due to the deficiency of theory and cognition, the experiment of circular economy in China has been very difficult.

The central proposed and actively implement the people-oriented scientific outlook on development, and build a resource-conserving and environment-friendly society, and a series of new strategies, both experiment to expand space for regional sustainable development, rich connotation, innovation mechanism, speed up the development to create the atmosphere of public opinion and policy support, and to implement sustainable development strategy of the country put forward the new requirements.

Science and technology into the acceleration of China's agriculture, protection of agricultural production has obtained great achievement, but with the white pollution, pesticides abuse, compaction, soil erosion, food poisoning, such as dominant crisis, not only hindered the development of agriculture itself, also affect the survival and development of homeland security and their offspring.