The monograph is devoted to the problems of military and civil administration in the Siberian Cossack army in the XIX-early XX centuries. The author identifies the main stages and features of the formation of military command control bodies, considers the process of preparing and conducting key administrative transformations. The organizational and legal foundations of the formation and development of the village administration are disclosed, the place and role of the village courts in the structure of the local military organization are shown. Particular attention is paid to reforming the traditional management system in the army after the February Revolution, during the Civil War, as well as the "death of the Siberian Cossack Army" - its final liquidation.