Analysis of relationships between Divine religions is one of the significant debates in contemporary world. The Quran approach to this is different and can show the solutions for comprehensive unity of religions that plays an important role in progress and evolution of human societies. In this way, the main question of research is that: among the several debates of contemporary religions, what is the roadmap of Islam as the last divine religion for generating a correct and leading solution? It could express the unity religions with a focus on monotheistic Islam, if have exclusivities: - Struggle with exclusivist and necessity of Muslims transcendence for unity. - Explain the role of shia in realization of unity of religions, after minimal Interpretation of the “Ummah” and Expression the Vertical testimony of Ummah to the people. - Presentation of solutions that practically realize this theory According to this research, these solutions are: Monotheism, Follow to Abraham Teachings, Depending upon to Common principles.