羁縻州府是唐代在北方地区设置的一种有特殊作用和意义的建置。单于大都护府的主要职掌是管理与突厥有关的军政事务。本文依据文献、考古资料，对这个建置设立的时间、名称演变、职官设置、职能等进行了较系统的探讨。 Jimi prefectures are set up in the northern region of the Tang Dynasty with a special role and significance of the establishment. The sole responsibility of the Monarchy, mostly in the capital, is to manage military affairs related to the Turks. This article based on the literature and archeological materials, made a systematic discussion on the time and name of the establishment, the setting of the officials and the functions of the establishment.