In the article the need of inclusion in linguistic formation of the dialogue of cultures for the purpose of strengthening of international communication, upbringing of tolerant attitude to representatives of other cultures is proved. The quantitative structure of subjects of the Russian Federation is presented in the article, and on the basis of the analysis we revealed the relevance of cultural dialogue with representatives of Asia and the Caucasus at the lessons of the Russian language, such activity promotes expansion of borders of a subject, increases the motivation of pupils to assimilation of knowledge, understanding themselves as part of Russian people, capable to see cultural wealth not only the nation; the factors influencing realization of the principle of dialogue of cultures are considered. The tasks offered in the article are aimed at the development of sociocultural competence of pupils, at acquaintance to behavioral tactics of Russians and Caucasians through the analysis of folklore texts and fiction texts in which the cultural component is reflected.