The article deals with the essence of the modern Constitution, which is manifested in its values integrating social strata and groups of the population; their implementation and development should be the main objective of any social and political forces that came to power by constitutional means. Constitution is, figuratively speaking, the legal «clothing», in which the power in order not to lose its legitimacy, has to work for the benefit of the entire society, of the people, guided by the constitutional ideal of the due, basing on the sober perception of the things in existence. Special atetntion is drawn to two interrelated problems being solved by the Constitution: to ensure the inviolability of the basic principles and foundations of the State aimed on the progressive development of the state and public life and at the same time to meet the requirements of the society, evolve taking into account some changes in social and public practice. It is shown that the impact of the Constitution, protection of the constitutional values, their implementation and development in the presence of the Constitutional Court are provided more efifciently than in circumstances where the state legal system does not provide such a body. Importance and role of the Constitution protected by the Constitutional Court increase significantly in the society. The Constitution is perceived by citizens as «living», valid document able to protect their rights, and not simply as a declaration. In final decisions of the Constitutional Court constitutionally valuable ought, constitutional imperative are embodied, and they have an impact on law-making and law enforcement, strengthen and extend the system of guarantees of rights and freedoms of a man and a citizen.