Abstract: with the accelerating process of economic globalization, our country's industrial structure is continuous optimization and upgrading, regional economy also present a new pattern. The channel west bank economic zone is playing their main body initiative actively. In the central and local governments various levels support vigorously, the channel west bank economic zone has achieved well economic development results. However, relative to the Chang Jiang delta economic development zone and the Pearl Riverdelta economic development  

zone, channel west bank economic zone is still weak. With the clear of the form of regional economic integration, regional competition has become the economic competition between the central city. Thus, the central cities’ economy competition has the important value in the regional economy competition. This paper mainly explores the channel west bank economic zone center city pull function on the regional economic development. 

Key words: the channel west bank economic zone; Regional economic; Center city; Pull the role; Economic globalization 

中心城市本身具有集聚与扩散的作用。借助集聚功能将一个区域范围内的人流、物流以及资金和技术流集中起来，形成一个整体的合力，促进该区域的经济发展。而中心城市的扩散作用则同样体现在其能够将集中起来的各方力量科学、合理地扩散出去，从而更好地推动区域经济的互动与发展。中心城市的集聚与扩散，不仅大幅度提升了自身的经济发展质量，还有效地带动了所在区域的经济发展。本文重点探索海西经济区中心城市对区域经济的拉动作用。