The thesis summarizes the feature of the cyclic economy theory and illuminate clearly from the two points of view, firstly, from the aspect of theory, there are three points: the social background, the central content, the current situation;

• 理论方面主要从循环经济产生的社会背景、循环经济理论的主要内容和发展现状三个方面进行了详细的论证说明;