序言长城是北方的游牧民同定居农耕民汉人之间对立抗争之地。同时,这种对立抗争又正是驱动中国历史的一种原动力。超越长城连东夷地域也纳入版图的,是设置上谷等五郡的燕的活动。这一活动成为包括中国东北地区的诸种族经常登上中国历史舞台的契机。当时正处在燕昭王之时,即一般认为的战国后期。本文以中原系文物直接输入该地区之始,即本地区登上永恒历史舞台的燕设五郡为界,将此之前界定 Preamble The Great Wall is a place where the nomads of the north and the settled Han farmers oppose each other. At the same time, this kind of antagonism is exactly one of the driving forces behind the history of China. Beyond the Great Wall and even the Dongyi region is also included in the territory, is set up on the valley and other five counties Swallow activities. This event has become an opportunity to include the ethnic groups in northeastern China often on the stage of Chinese history. At that time was in Yanzhao Wang, that is generally believed that the Warring States period. This article is based on the Central Plains Department of cultural relics directly into the beginning of the region, that is, the region boarded the eternal stage of the history of Yan County, five counties as the boundary, will be defined before