西汉初期,面对北方强邻匈奴,西汉在北疆部分区域主要实施了“封王戍边”与“和亲弭兵”两项边防策略。西汉建立之初,对匈奴的边防策略以“封王戍边”为主,白登之围后,转为以“和亲弭兵”为主,以“封王戍边”为辅;同时鼓励官方与民间养马,加强骑兵建设以备匈奴。 In the early Western Han Dynasty, in the face of the northern strong neighbor Xiongnu, the Western Han Dynasty mainly implemented two frontier defense strategies in the northern part of northern Xinjiang, such as “sealing the border with the warlord” and “pro-military forces.” At the beginning of the establishment of the Western Han Dynasty, the frontier defense strategy for the Huns mainly consisted of “sealing the front and retaining the front ”, and after the arrival of the White ’s board, it was replaced by “and relatives ”, supplemented by At the same time, government officials and non-governmental horsemen are encouraged to strengthen the construction of horsemen in preparation for the Hun.