本文认为 ,在东北亚民族与历史问题研究中 ,存在将历史上的民族关系同现实的国家、民族关系直接相联系的倾向 ,由于缺乏科学的依据 ,更缺乏逻辑性和辩证性 ,将会对当代的国家与民族关系产生一定的负面影响。作者从民族体形成的规律与东北亚古民族的关系、历史疆域与现实主权疆域的关系、民族“无界”性和文化无疆域性、国家与民族形成发展的规律和特点等方面 ,对这种倾向进行了探讨。 This paper argues that there exists a tendency to directly link historical ethnic relations with the reality of national and ethnic relations in the study of nationalities and history in Northeast Asia. Due to the lack of scientific basis and lack of logic and dialectic, The contemporary relationship between the state and the nation has had some negative effects. In terms of the relationship between the law of the formation of ethnic groups and the ancient ethnic groups in Northeast Asia, the relationship between the historical territories and the real sovereignty territories, the unboundedness of ethnic groups and the absence of cultural boundaries and the laws and characteristics of the formation and development of nations and ethnic groups, Tendency was discussed.