Possessing stable theories developed in connection with the problems of other parts of speech, postpositions are one of the most important and urgent problems for Kazakh linguistics, and in Turkology. To study the history of Turkic languages, especially such languages as Kazakh, which belongs to the group of Kipchak languages, it is important to conduct research based on the materials of historical and comparative grammar, written monuments of outdated Kipchak languages in writing a specific historical grammar of each language. Currently, the conjunctions are little studied in the Kazakh language. Written monuments of the middle ages, including written heritage in the Kipchak language that came down with the Armenian script, occupy a special place in the study of the history of the formation and development of word combinations. The relevance of the topic of the article lies in the determination of the features of conjunctions on the materials of such historical records.