魏晋军区制的基本原则，是中央指定一将领统帅某一地区的军队。根据这一原则，把军区制起源定于魏武或东汉顺帝时都是不正确的。
Appointing one governor to rule the army of one certain region by government was the basic rule of military region system of Wei and Jin Dynasty .
武顺