Abstract: The subject of this research is the work of the Council of Border Troops' Commanders on combating illegal migration at the external borders of the CIS member-states. The conducted analysis determines the practical components of main efforts and separate results of the activity of the Council of Border Troops' Commanders. However, the dynamic changes in situation and forms of illegal activity at the external borders of CIS member-states obligates the border and law enforcement authorities to act using the advanced technologies. Research methodology includes the combination of general scientific methods, such as systemic analysis and summarization of scientific concepts. The main conclusions consists in recommendations of improvement of the system of information exchange between the bodies of sectoral cooperation on combatting illegal migration at the external borders of CIS member-states, with consideration of the existing experience of the bodies of sectoral cooperation, as well as the experience of other international organizations and foreign countries.