Ukrainian literary language is a complex communicative system, synchronous-diachronic section of which is informative regarding the state of development of national consciousness, intellectual level of society, and in a broader sense – concerning inscribing of the language in the history of national and world culture. This article is devoted to tracing the temporal and conceptual dynamics of the stylistic norm in the work of Ukrainian writers of the 20th century. The methodological basis for the study was made by such methods as comparison and analysis of literary works of Ukrainian writers of the XX century. As a result of the study, the authors concluded that the linguistic norm is a cognitive reference point for the scientific parameterization of the style norm of artistic discourse. The authors also emphasize that the dynamism of the stylistic artistic norm lies in the ability of the poetic language to respond to the development of artistic and linguistic consciousness, thinking of both the author and the reader in various manifestations.