论西魏北周时期中央集权的形成——以六官人员迁转为考察中心

西魏建立后，宇文泰辅政，面对内忧外患，锐意改革六官制度，建立中央六官系统。通过对六官人员的调配，关陇集团与魏宗室的权力得以平衡，形成中央集权的雏形；经过对关陇集团内部六官人员的再调整，宇文护铲除异己，强化了宇文氏在北周政权中的主导性；关陇集团的汉族地主依附于宇文氏政权，进入中央六官系统，宇文氏家族内部开始了新一轮的权力争夺；武帝宇文邕铲除宇文护，集中央军政大权于一身，北周的中央集权最终形成。

On the Formation of Centralization in the Period of Western Wei and Northern Zhou Dynasty： centering on the transferring of officials in six ministers

After the found of Western Wei Dynasty, Yu-wen Tai was in power of state affairs. Facing domestic strife and foreign aggression, Yu was keen on reform on six ministries and set up centralized six-ministry system. The power of Guan-Long Clique and Wei Imperial Clan was balanced by means of distributing officials in six minis- tries and thus the rudiment of centralization was established. Yuwen Hu weeded out any dissenting opinions and strengthened Yuwen＇s authority in Northern Wei Dynasty by redistributing officials in Guan-long Clique. The land lord of Han Nationality in Guan-long Clique who attached themselves to Yuwen group entered into the system of centralized six ministries. A new power struggle kicked off within Yuwen family. After Emperor Wu of Yuwen Yong killed Yuwen Hu and recovered the power of military and government, and thus centralization in the Period of West- ern Wei Dynasty was finally set up.