Ecological Agricultural Park, as a main and important part in ecological city, is formed by the process of urban development and modern agriculture to a certain degree. It is a sustainable development of modern natural-human complex agro-ecosystems based on the large modern city resources, which integrates production,life and ecology. Based on efficient utilization and recycling of natural resources and harmless discharge of wastes, the concept of circular economy was applied to agriculture system, which could achieve a win–win success for both agricultural economy and ecological benefits.