This work will focus on text-based interest, which may be found in this article using a linguistics method. The principles of linguistics of emotions, which integrate the findings of language and psychology studies, provide the groundwork for this strategy. The paper delves into the linguistic methods of text-based interest analysis and how they relate to interest's function in interactive instructional discourse. One definition of active, emotion-evoking discourse is the communicative scenario in which an informative text piques the reader's curiosity. The speaker's goal in adopting interest-evoking rhetorical tactics—that is, strategies for generating texts to evoke the audience's attention—is to "evoke the recipient's interest" in this particular discourse. Applying techniques from communicative-functional linguistics, we may analyze these systems. First, we can pinpoint specific tactics with the use of these methods. The essay uses two such systems—text dialogization and contextualization—in Russian textbooks as an example. Second, to implement these tactics, the communicative-functional approaches show the most important ways of using language and producing finished content. We think these methods are what people mean when discussing the concretization of text content, developing text emotiveness, and forming text dialogicity.