Panislamists, because of it’s role in division and dispute among muslims and dividing of Islamic territories are cynical to "Nationalism". Nationalists also suppose, because wrong understanding of concepts, "Islamic Unity", it is equal to neglecting loyalties and national interests and religion of Moslem nations for organizing Islamic unique nation. In this research, by reviewing the political life of prophet(s) and Imam Ali (a) and historical experience in European nations to organizing Unique Europe and conceptual perception in two concepts of nationalism and PANISLAMISM and pay attention to collective identity and integration in internalional relations theories, we decide to exame the possibility of unionizing nationalism and transnalionalism (PANISLAMISM).