The aim of the study was writing task based on the analysis of Justinian show legitimate authorities are trying to achieve unity of Church and State. <...> The study is based on a wide range of sources and literature (M.Maas, J.Barker, E.Jeffreys, G.Pfannmuller, G. Ostrogorsky, A. Knecht). <...> Against Method: Outline of an Anarchistic Theory of Knowledge). <...> As the main features of the current era should be highlighted: compliance policy Justinian board long-term public interest, flexibility and pragmatism, the ability to use the prevailing circumstances, the importance for the state government's own understanding of church and state problems. <...> Process of historical, philosophical, theological understanding of Byzantine history and deep understanding of heritage board empire is not yet complete. <...> Knowledge of the Byzantine Empire and its impact on Russian history form the link between the past and the modern understanding a common identity based on motives and ideals in society. <...> It was important to understand the social aspect of what was the churchpolitical ideal of Justinian, the comparison of the opposing parties, their internal social differences, needs to reform, strengthening the spiritual core of the relationship between Church and state. <...> Value of the study is to confirm the withdrawal of requiring understanding and clarify issues related to one of the most important stages in the formation of the Byzantine Empire, as well as the use of different methodological approaches to the study. <...> Op.cit. .25. 4 Ostrogorsky G. Geschichte des byzantinischen Staates // Hundbuch der Altertumswissenschaft. <...> S. 74. 5 The Oxford handbook of Byzantine studies / Ed. by Elizabeth Jeffreys, Oxford university Press, 2008. <...> P. 161. 12 Barker John W. Justinian an the later Roman Empire. / The university of Wisconsin press, 1966. <...> Barker John W. Justinian an the later Roman Empire./The university of Wisconsin press, 1966. <...> The Oxford handbook of Byzantine studies / Ed. by Elizabeth Jeffreys, Oxford university Press, 2008. <...> Barker John W. Justinian an the later Roman Empire./The university of Wisconsin press, 1966. <...> The Oxford handbook of Byzantine studies / Ed. by Elizabeth Jeffreys, Oxford university Press, 2008 . <...> Исследование базируется на широком круге источников и литературы (M.Maas, J.Barker <...>