This article reveals the linguistic, cultural and ethno-philological aspects of the formation of the history of the Uzbek language, in particular, specific differences are identified taking into account traditions, customs, history and culture. An analysis of the historical patterns of development of the Uzbek language is also given, especially the specificity of its features - the entire set of historically determined changes. The history of the formation of the layers of the Uzbek people and the language itself are analyzed based on the materials of written sources.