The paper studies the issues of textual mechanism of teaching Russian as a foreign language to students. The authors believe that the main idea of the study is that students ' preparation is often still carried out only by techniques of the traditional type as the basic unit of success of training is a quantitative measure of learned grammatical rules and vocabulary volume. In the study, the authors determined that the innovative point is to obtain a satisfactory level of competence formation on the basis of mastering the skills required to understand the scientific text and the ability to actively and grammatically correctly operate the necessary set of lexical units of the scientific style of speech. In General, the work is of an applied nature, and the authors suggest the need to take into account in the course of teaching Russian as a foreign professional sphere of the future specialist. © 2018.