The official rank (cap rank) system (the system where a government post was associated with a court rank) was also adopted in order to consolidate the government headed by the imperial families (a clan of okimi [Yamato Dynasty]) and to appoint talented people into government service free from blood relations and influence.
一方、皇族（大王(ヤマト王権)の一族）を中心とする支配体制を強化し、血縁や勢力にとらわれない人材登用を進めるため、官位（冠位）の制度（官職と位階を関連づける制度）も取り入れられる。