| This paper is divided into three parts, the first chapter in Western Jin Dynasty a special provisions on the viceroy choice "not royal Cousions not be the chief guan zhong" as the clue, discusses the evolution of this the guan zhong area, Wei-Jin period and the Si Ma Shi family activities in this area, it is concluded that the significance of the region to rise Si Ma Shi family, enters the Western Jin Dynasty later as the implementation of the king of the town, the area is served as the chief by royal Cousins. The second chapter first by comparing the history and the doctrine of official licensed when Dan as the chief general grade of different cases, it can be seen that this period started relatively improve history status, and Dan status is in relative decline. Next inspection area during this period have been some general change situation, the chief of the general promotion has certain principles, namely, according to the number of mixed general to four character (zhen, An, ping) of general principle of promotion. Pledge of the third chapter mainly through investigation section by angel gradually evolved as a symbol of the command area, it is because of the increased levels of command, this to appear in section in class distinction. |