With the development of world economy, how to actively cope with the serious challenges caused by the global warming has become a focus of world widespread concern at present. From China's actual conditions, developing low-carbon economy, pushing forward the low-carbon consumption patterns, taking a low-carbon road, and gradually reducing dependence on high-carbon energy sources, is an important way and effective way to implement the strategy of sustainable development, but also are the objective requirements of scientific development outlook. So China take the road of low-carbon economy, not only in line with China economic and social requirements of sustainable development, also in line with the requirements of global environmental cooperation. This paper describes in depth the content of low-carbon economy, the necessity of developing low-carbon economy. This article also analyzes development status quo of low-carbon economy in China combining China's realities and puts forward a number of possible ways achieving low-carbon development on China's economy in future.