He aggressively pushed forward his reforms, such as collecting business taxes and forced contribution in exchange for promoting "kabu nakama," doing reclamation works of Inba-numa Lake and Tega-numa Lake with merchants' funds, and promoting trade with foreign countries at Nagasaki - particularly through production increase of goods for export, including "tawara mono" (goods in straw bags), thereby succeeding in reconstruction of bakufu finance.
株仲間の奨励策による運上金・冥加金の徴収、町人資本による印旛沼・手賀沼の干拓事業を行ういっぽう、長崎貿易の推奨（特に俵物など輸出商品の増産）など、積極的に改革を推し進め、幕府財政を立て直すことに成功した。