After that, he worked energetically for redivision of the domain duties (to divide the domain duties and the domestic economy, to change the government building of the domain to Chiseisho prefecture government, to move the domestic economy services to the Interior Ministry, to stop the prerogative for sept and main retainers, and a Jiao (officer) who is appointed by the domain as an administrator), and reorganized the division of soldiers (i.e. the creation of the Jobutai (regular army)), finally, he tried to of complaint of samurai in the lower grade who contributed at Boshin War.
以来、藩政の改革（藩政と家政を分け、藩庁を知政所、家政所を内務局とし、一門・重臣の特権を止め、藩が任命した地頭（役人）が行政を行うことにした）や兵制の整備（常備隊の設置）を精力的に行い、戊辰参戦の功があった下級武士の不満解消につとめた。