Diabetes mellitus (DM) is a serious medical and social problem of our time due to its high prevalence, lethality, early onset of disability and increasing morbidity. In children and adolescents, type 1 diabetes (DM1), characterized by absolute insulin deficiency due to autoimmune or idiopathic lesions of pancreatic β-cells, is registered more often. Every year, the total number of patients with DM1 under 18 years of age in the Russian Federation increases by several tens of thousands of people. DM is accompanied by various complications and one of the most frequent is diabetic polyneuropathy (DP), which occurs in half of children with DM1 more than 3 years. The progressive course of DP leads to the development of serious consequences affecting the quality of life and prognosis of patients. At the same time, at present, many aspects of this complication are insufficiently studied or have contradictory data, which justifies the expediency of systematization of materials on the pathogenesis of DP, effective methods of diagnostics and treatment of the disease in childhood.The aim of the work was to analyze modern scientific publications devoted to the study of DP in children, based on the search of literature sources in PubMed, CyberLeninka and RINC databases. A total of 58 bibliographic publications were reviewed, including contemporary resources from the period 2019–2023.