From the perspective of global competition, contemporary city competition is not one between individu-al cities, but among Urban areas or city groups in central cities as the core, but also the urban agglomeration is the basic unit in the process of global division、 cooperation and competition.Learning from the valuable experience of developed countries about urban agglomerations, This thesis will start from the two aspects of planning and control, to speed up its development, drive the economic development of Northeast China, enhance regional economic competitiveness,eventually form one of the important supports for Chinas economic development.