On the example of propaedeutic educational course "Introduction to Slavic Philology" features of future teachers' professional training of cross-cultural dialogue are considered. Among the main objectives of the course, attention is focused on native language and other languages admirer's tolerance education, students' skills formation of making linguistic and cultural comments on folklore, literary texts and discourses; building a strategy and tactics of intercultural communication in accordance to national psychology. The examples of tokens, "ukrainisms" in Slavic languages and phrases are presented; also, it is considered Slavists as tolerant intermediaries towards intercultural cooperation of countries and peoples, the need for skills of translation activity that caused the crosscultural dialogue. Based on scientific and encyclopedic sources analysis, educational course testing is making conclusion that Slavic philology is a powerful tool for cross-cultural dialogue. It contains big factual material that promotes understanding the process of formation and development of ethno-cultural communities in time and space, formation of human values and national identity of supranational cross-cultural thought, ways of tolerant behavior, language understanding and usage. Also it creates conditions for the realization of individuality as Ukrainian language and other languages, cultures, intellectual and emotional contacts between these languages and cultures.