Regional economic development was often influenced by both the forces of globalization and localization, and new regionalism argues that localization was an important force for regional development. In the regional ecological construction, ecological elements as a typical local elements attracted the attention of new regionalism scholars. From the perspective of regionalism of new regionalism, this paper constructed the evaluation index system of Chongrning eco - island construction from the aspects of local endowment, behavior subject and regional system, and analyzed the problems in all aspects by using the obstacle model. This study showed that the plaeeness was an important factor in the construction of ecological area. The construction needed to fully explore the local endowment, behavior subject and regional systems. The regional system and local endowment were the main obstacle factors in Chongming eco- island construction.