The impact of climate change on social and economic development has gradually attracted wide social concerns. Nature reserves play a critical role in the mitigation and adaption of climate change,but the important role of protected area in this regard hasn't been sufficiently recognized in the national strategies and policies. Moreover,most of the research findings have few been used and promoted in China. The paper described the research on the role of nature reserves in climate change mitigation and adaptation in terms of policy,method and countermeasures,and also came up with suggestions on the priority development of territorial nature reserves in the future.