When it came to the age of the warrior government, during the Kamakura period, Daijokan still functioned as an organ of government, but during the Muromachi period, the Daijokan gradually lost its essential power to become just a nominal title to indicate rank in the government.
武家社会の時代に入っても、鎌倉時代には政務機関として機能していたが、室町時代になると次第に形骸化が進み、単純に格式を表わす職名になった。