History has preserved a significant amount of ancient Turkic, Uighur, Oguz, Kipchak-Bulgarian written monuments, which were created in the vast territory: in the Middle East, in Central Asia, the Volga region, in the Crimea, in the Caucasus, etc. They are written in different scripts (runic, Uigur, Arabic and Latin) and these monuments are different in type and genres. For example, artistic works, legal, diplomatic documents, linguistic works, scientific treatises and others. It’s very important to study certain early Turkic written monuments To recreate the history of Turkic languages and the establishment of the laws of the formation of the literary language norms of Turkic nations. The study of the linguistic features of Kipchak written monuments is one of the important problems in Turkic studies. It provide an opportunity to explore the history of development and formation of the modern Turkic languages.