The article deals with the substantiation of the developed structural-functional model of foreign language professional training of the border guard cadets who study according to the educational-professional program ‘State Border Security’ at the first (Bachelor’s) level of higher education at Bohdan Khmelnytskyi National Academy of the State Border Guard Service of Ukraine. This model includes the implemented officers’ leadership courses (L-1B – Officers’ Leadership Courses, L-1C – Officers’ Leadership Courses, CCC Basic Level – Basic Course of Border Guards’ Professional Education). The authors consider the content of this model, its goals, blocks and their characteristics. This model provides for the implementation of four educational blocks: target, content (academic course working program, the officers’ professional training programs – officers’ leadership courses at levels L-1B, L-1C and CCC Basic Level, and an optional English course), methodological (forms, methods and technologies of teaching, educational and material supply, subjects of educational process) and diagnostic-effective block.