The article examines the origins of the creation of the probation service in Kazakhstan, its introduction into the sphere of criminal executive law, goals and objectives. The measures for the implementation of probation control, its role in the provision of qualified psychological assistance to juvenile offenders are considered. The ways of implementing probation control at the present stage are also indicated, the main tasks of the state are presented, program documents aimed at further development and improvement of the probation service are studied. Studied and presented statistical data on the dynamics of juvenile delinquency in the republic. The psychological characteristics of minors are analyzed, in respect of whom it is necessary to carry out a comprehensive and regular analysis of their specific needs. The creation of a specialized staff of trained employees to provide social and legal assistance to minors is emphasized and argued. This paper also raises the question of the need to introduce specialization of the penitentiary psychologist in the universities of the Republic of Kazakhstan in order to achieve high results in the prevention of juvenile delinquency. To comply with international standards in the field of protecting the rights and freedoms of minors, crime prevention, attention is focused on complementing national legislation with the norms of UN international documents.