The article presents a review of Russian and foreign research devoted to the analysis of various components of oral speech of children with dysarthria. A systematic review of publications from 2000 to 2023 on the problem of diagnosing dysarthria in children using subjective and instrumental methods including a total of 215 studies identified the following analysis criteria: type of article; analyzed components of oral speech (breathing, articulation, phonation, prosody); research methods. The analysis showed that the predominant amount of research devoted to the study of oral speech of children with dysarthria is based on psychological and pedagogical observation, digitalized methods are used less often. Objective speech characteristics of children with dysarthria obtained using instrumental assessment methods are highlighted: kinematic analysis, acoustic spectrographic analysis of speech, electromyography, electromagnetic articulography, electropalatography, etc. Familiarization of speech therapists with modern instrumental methods of examination will expand the understanding of the possibilities of obtaining objective data in the study of speech in children with dysarthria. This will allow us to identify new areas of research involving instrumental methods for the development of modern diagnostic and therapy methodologies to overcome dysarthria in childre