Abstract:

The article analyzes the six national strategic development zones along the Yangtze river delta region,who are region of Yangtze river delta region of the citycluster along the Yangtze RiverinAnhui,Wuhanmetropolitanareas,PoyangLakeecologicaleconomiczone,Urban Agglomeration of Changsha,Zhuzhou and Cheng duChongqing economic zone.Based on polarized area theory, this paper proposes methods of “topdown” and “bottomup” to identificat the function of six national strategy development zones,meanwhile,the article analyzes the level of economic development,the degree of Extroversion of economic,industry and quotient of location about the third industry.Then,we put forward various function of  strategic development zones,The Yangtze delta economic region mainly undertakes to participate in international competition, innovation and the gateway functions,region of the citycluster along the Yangtze RiverinAnhui mainly undertakes functions of boosting regional service,Poyang Lake ecologicale conomic zone mainly undertakes function of ecological conservation,Wuhan metropolitanareas mainly undertakes functions of demonstration and boosting Central regions,Urban Agglomeration of  changshazhuzhouxiangtan mainly undertakes functions of regional boosting and demonstration,Cheng duChongqing economic zone mainly undertakes function s of ecological conservationin west  and western boosting