Abstract: The article contains comparative analysis of the legislation of the Collective Security Treaty Organization states regarding human trafficking, illegal migration and international acts. Most of the victims of human trafficking are women and children. Current international legal documents recommend prohibiting any such acts and to establish responsibility for them in every state, which had signed the document. The legislation of all Member States of the Collective Security Treaty Organization corresponds to the generally recognized international standards. The authors refer to the significant amount of norms of international law reflected in the legislation of the Collective Security Treaty Organization Member States. Almost all of the national legislations of these states recognize as aggravating circumstances for the crime of illegal migration "situations, which threaten, or might threaten life or security of migrants", and "related to inhuman or degrading treatment of migrations, including for the purpose of exploitation".