"Unification has a process meaning that promotes the harmony and quality of life of all Koreans, beyond the integration of politics, economy and land. In the meantime, the emphasis was on the logical justification of unification. Among them, the national community approach emphasized the homogeneity of the nations did not recognize the mutual difference, and there was a limitation that it could not accept the korean diaspora. Therefore, it is necessary to acknowledge the differences, to find similarities through the process of overlapping, and to create ""National Commonality"" through the process of expanding them. This integration perspective is presented in this paper as an integrated paradigm through the creation of national commonality. The integration paradigm through the creation of national commonality focuses on the emotional and cultural integration of all Koreans. This viewpoint is also considered to be a point of view for the internal integration of all Koreans by accepting Korean diaspora as a unifying subject. And this paradigm was explored through the case of 'Germany' and the value of 'humanities for unification as a model of the integration of South and North Korea. In conclusion, the integration paradigm for the creation of national commonality will require the intrinsic integration of South and North Korea, and at the same time, the integration of politics, economy, and system should be pursued in parallel."