The Foreign economic activity plays an important role in the economic development of each country. Organizing and carrying out foreign economic activity is an area of major importance in the creation of a new economic mechanism by which the country is classified is performed in the global economy. World experience confirms that many countries have achieved a significant increase of socio-economic development, because of their open “economy”, which involves relatively free movement of goods, capital, technology, labor and knowledge. Integration evolution contributes to the increase of the import-export potential of any country. Global competition and domestic market protection prevent, however, the expansion of export flows. Thus, the external links of a country are conditioned and regulated by the interaction of the factors listed above. This paper aims to present some considerations on foreign economic activity as an important factor in the sustainable development of the Republic of Moldova.