This paper firstly elaborated current situation of agricultural resources and ecological environment protection of China, and pointed out that circular agriculture is an inevitable choice for sustainable development of agriculture and effective approach for low-carbon economic development. Then, it analyzed mode and benefit of typical circular agriculture, such as ecological orchard in southeast hills, sightseeing ecological agricultural garden, and crop straw use. Finally, it came up with countermeasures for further developing circular agriculture, including integrating building system and establishing suitable mode, formulating production standard and ensuring food safety, strengthening technological innovation, and supporting sustainable development.