Objective methods of research are widely used for the diagnosis of various origins dysphonia. Over the last decades there has been a steady increase in the number of children with these conditions. Acoustic analysis provides the basic data for the evalu­ation of voice. This study can be used as a screening method to identify the pathology of the larynx. Acoustic voice analysis data are irreplaceable in the differential diagnosis of various diseases, as well as in monitoring the quality of the treatment.