Specifics of human rights institution development and formation in the European Union are researched. Norms of the Charter of the Fundamental Rights of the European Union are analyzed through the prism of Charter understanding as the main legal instrument of human rights protection in this international organization, as well as perspectives of legal protection enhancing of human rights in this international formation are researched. A special emphasis is being made in relation to the possible accession of the European Union to the Convention for the Protection of Human Rights and Fundamental Freedoms of the Council of Europe. Efforts are being made for analyzing draft legal instruments on the accession of the European Union to the European Convention on Human Rights — Agreement on Accession