Under the emperor as a sovereign ruler, Jingikan (the office in charge of religious ceremony) and Daijokan (Grand Council of State) were established and under the Daijokan, eight ministries were set up to take charge of the actual administration.
君主である天皇の下に、朝廷の祭祀を担当する神祇官と国政を統括する太政官が置かれ（二官）、太政官の下に実際の行政を分担する八省が置かれた。