Abstract: The result of colligation score reveals that the development level of the circular economy in Nanjing is comparatively high over the whole national average, and there are about nine years difference in development. There are a lot of favorable conditions for circular economy development in Nanjing City. The citizens have comparatively high level of capabitity and civilization, there are a lot of big\|sized and middlesized enterprises, and the research capacity in science and technology and education are of high standard. Overall,the level of economy is high in Nanjing city. However, mineral resources are short, and may influence the development of circular economy. Petrochemistry, electronic information, automobile, iron and steel and electronic industry are important for developing circular economy in Nanjing city, and elongating industry chain.The direction to develop green food and drinks and logistics should be concerned.It is important for circular society to establish the system of green social consumption, carry out collecting and disposing garbages in sort,and to reinforce the management of callback deposed foreign capital.It is also important to reduce the application of fertilizer and pesticide for circular agricultural development.

Key words: circular economy, reduce, recycle, reuse