《北史》与《通典》二书对西魏北周“九命”官品的记载中,在官名涉及“左右”时存在着歧异:《北史》以“右”为尚,而《通典》以“左”为尚。本文就此加以考察论证,认为与南北其他政权的官制“尚左”之风都不相同,周官制以“右”为尚,并且自“九命”颁行之初就是如此。 In the records of the Northern Wei Dynasty and the Nine Dynasties in the Northern Wei Dynasty, there are some discrepancies between the Northern History and the Tongdian in the Northern Wei Dynasty: “Northern History” As yet, “Tongdian” to “left ” is still. This article examines and argues that the official regime of the other regimes in both North and South China is not the same as that of “Shangzuo”, while Zhouguan system is based on “Right ”, and since the promulgation of “Nine Fates ” .