Abstract: Northeast Asia is one of the most active regions in the world economic development, but regional conflicts and contradiction have brought problems concerning the regional development. Dialogue and cooperation mechanism are an international system with the characteristics of flexibility, pragmatism and coordination. It is with practical and theoretical significance in the political stability and economic development of the region. It is feasible to construct the mechanism in the northeast Asian region, but the basic principles as equality and mutual benefit, political mutual trust, harmony without uniformity, regional identity should be followed.

Key words: Northeast Asian problems, dialogue and cooperation, regional mechanism, economic development