The goal of this research lies in assessment of the role of foreign direct investment in socioeconomic development of the EAEU member-states in the current context. The research methodology employs such approaches as scientific abstraction, logical generalization, statistical and factor analysis. Based on examination of the relevant theories of international capital movement, the author outlines positive factors in attracting long-term foreign investment. The article explores the key indicators of economic development of the EAEU member-states at the current stage. Analysis is conducted on the peculiarities of foreign direct investment in the region. It is noted that the Russian Federation is the most active investor within the EAEU. The author determines the common factors that limit the development of investment relations between the partner countries; as well as reveals the dominant disproportions in attraction of foreign investment capital. Consideration is given to the experience of Shenzhen in formation of the global special economic zone in the EAEU countries. The conclusion is formulated that the key factor of socioeconomic development of the EAEU member-states is the attraction of foreign direct investment capital. The following measures in the sphere of foreign investment are proposed: development of direct investment funds; formation of special economic zones; implementation of intergovernmental earmarked programs; creation of specialized centers for the development of small and medium business bases on the market principles.