Abstract:There are a large number of Han bamboo slips preserved in Juyan area, which describe military affairs and so on. Based on the research work of archaeology, Han bamboo slips, literature and other aspects of the border defense system in Juyan area, this paper puts forward the establishment of Juyan capital in Han Dynasty from the perspective of planning of historical geographic space on the basis of previous research on military, ethnic, economic, political and other aspects of history, society and humanities. The original intention and system of Yufu were analyzed in order to reveal the spatial layout of the border defense system of Juyan Dufu in Han Dynasty and the spatial relationship with the natural geographical environment.