This article discusses the results of field studies and research carried out during 2017 in Tura settlement of the Evenk Municipal District of the Krasnoyarsk Krai, among the representatives of     the expert community and the residents – native speakers. The research was focused on determining general methodological recommendations on the development of educational materials and fiction books in the Evenk language. Basing on the survey and expert interviews conducted, we determined the measures to preserve the language, which according to the majority, should contribute to the preservation of the unique cultural heritage of the indigenous small-numbered peoples of the Evenk Municipal District. The article presents the research results of the analysis of the expert interviews with linguists of Tomsk Pedagogical University who work on the creation of corpus linguistics of northern languages in the laboratory of the Department of Languages of the Peoples of Siberia.