Abstract: The subject of this research is the key, dominant and most consistent development trends of the national constitutional law in post-Soviet period (1990’s – present). The author examines the following trends: succession, reception, internationalization and cyclicity of the development of constitutional law, as well as expansion and conceptual changes in its content. Each trend is substantiated by the provisions of constitutional legal doctrine, current Constitution, legislation and constitutional practice. The main conclusions consist in the thesis that the determined trends are inherent namely to the modern constitutional law, rather than Soviet or prerevolutionary stages of its development. Moreover, if separate trends coincide with the modern constitutional law of foreign countries, in Russia they have peculiar content, justified by the specificity of state legal development of the country. The evolution of Russian modern constitutional law takes place at the intersection of constitutional distinctness and constitutional universalization. Constitutional distinctness implies the synthesis of succession, certain cyclicity in the constitutional legal sphere, and presence of the unique legal phenomena characteristic to the national constitutional legal system. The manifestations of universalization of the modern Russian constitutional law include its reception and internationalization.