This article deals with the mind map as one of the methods for developing professional speech of law students. The author writes about the need for realizaton in the course of discipline "Russian language" which professionally oriented for teaching of speech activity based on interdisciplinary integration. The article notes that in classes of discipline "Russian language" it is necessary to create an inextricable link between the desire to acquire specialized knowledge (the language of the future specialty) and successfully master the Russian language. The implementation of this technique depends on the use of teaching methods and tools.  The author considers that one of the effective methods is the compilation of a mind map by students based on the studied texts in their specialty. As an example, the article gives samples of mind maps compiled by students after studying texts in their specialty.