Yangtze Delta Urban Economic Circle,Zhujiang Delta Urban Economic Circle,Beijing-Tianjin-Hebei Urban Economic Circle,Chengdu-Chongqing Urban Economic Circle,and Wuhan Urban Economic Circle are five important urban economic circles,among which,four economic circles except Wuhan Urban Economic Circle have club convergence phenomenon and this club conver-gence is greatly related to industrialization degree,inner economic structure and innovative ability of the five economic circles.