The article is devoted to the problems of federal state supervision in the field of migration. Attention is focused on the fact that the legislative definition of the subject of this type of administrative supervision is unreasonably narrowed. In accordance with this, the subject of this publicly managerial activity is disclosed and specified in more detail. The paper justifies the proposal to completely abandon the procedure for approving an order to conduct an unscheduled inspection in the field of migration with the prosecutor's office.