-Currently, the coverage of the studies of language levels between related languages is expanding in terms of historical continuity in linguistics, thus much attention is paid to the problem of finding complicity in related languages. It is because of a sign system, which saved the nation’s history, culture, cognition in a lexical richness of each language. Linguistic signs that have emerged as the norm and widespread among the people in the structure of any language are very common in the language of other people. This feature is very often found inside the Turkic languages themselves. This is a key factor that shows historical relations between Turkic peoples. Integral selection and study of pronouns, which constitute a large-scale part of the lexical fund, their comparison from the point of view of a separate linguistic phenomenon, are the definition of language and cognition of a related ethnic group and is also considered a spiritual and cultural source of accurate information about their relationship. The article discusses the similarities and differences of Turkic pronouns through the study by the method of historical comparison of pronouns in the Turkic languages.