Circular economy has become one of China’s important strategies to realize scientific development and build ecological civilization at present. As in China circular economy was put forward as a new economic pattern, the international community generally holds that this is an innovative move for China’s economy to realize leap-forward development and hopes to learn more about the theory, policy and practice relating to China’s circular economy. This article introduces and comments on the necessity to develop circular economy in China, implications and characteristics of China’s circular economy, and China’s main practices and policies to promote it at present.