In place of the Fuheisei (soldier system), which became a mere shell in a military sense, an organization with a system centered on recruiting mercenaries was formed which created the post of Danrenshi and Setsudoshi.
まず、軍事面では、ほとんど形骸化した府兵制に代えて、募兵を中心とした組織が編成され、団練使（だんれんし）・節度使（せつどし）が置かれた。