Intervention of international institutions in the internal affairs of a state becames an important factor that has a substantial influence on the transformation of the system of national economies. In such fundamentally new conditions the effective functioning of domestic economies becomes the main purpose of diplomatic activity. Today, economic diplomacy sets its own rhythm of the contemporary system of international relations. The new signs of interdependence appear more often. The exchange of goods increases, the services markets expand, investment, capital flow exceeds the flow of goods. All these processes are characterized by a wide geography covering the whole world. Currently the economic aspect of globalization stimulates diplomatic missions to participate more actively in commercial initiatives. Promoting and protecting national business is at the heart of most state programs, which refer to the activity of foreign policy institutions.