The aim of the article was to reveal the structure of the administrative and legal mechanism for ensuring the national security of Ukraine in the context of European integration. In the course of the study the following methods were used and combined: axiomatic, analysis and synthesis, classification, hermeneutic, deductive, dialectical and metaphysical, logical and semantic and modeling. In the results of the research, it is generalized that the framework of national security provision in the circumstances of European integration is similar to the basic elements of any other instrument of provision of activities. In practical terms it is defined, what material and conceptual elements are included in the structure of the administrative legal mechanism. In the conclusions it is emphasized that these legal and administrative components can be: on the one hand, normative, institutional, instrumental, analytical, etc.; and, on the other hand, organizational, practical and implementation and mixed.