The present article is dedicated to the cooperation of Moldova with one of the international organizations of great influence of the world, namely the Uni-ted Nations. There are reviewed briefly the main activities of the United Nations in the democratization of moldovan society, such as respecting human rights, promoting democracy, economic, social and cultural development, respecting international law. A very important role in strengthening the image and prestige of our country they have permanent missions of the Republic of Moldova be-sides the UN and its offices in New York, Geneva, Vienna, Paris. It is also considered the cooperation with the Moldovan authorities with the UN structures based in Moldova. The end of the article contains necessary conclusions and certain proposals are made.