本文对唐末至辽代前期桑干河流域内的州县城市的位置逐一进行复原,对其选址的地理要素和分布格局进行了分析,指出:从唐末到辽代,是桑干河流域城镇设置的高峰,这是由这一时期本地区居民结构、农业发展程度以及农牧业之间的交替等因素所导致的。 This article restores the locations of counties and cities in the Sanggan River Basin from the late Tang Dynasty to the early Liao Dynasty, and analyzes the geographical elements and distribution patterns of the selected sites. It points out that from the end of the Tang Dynasty to the Liao Dynasty, The peak of urban setting is caused by such factors as the structure of residents in this region, the degree of agricultural development, and the alternation between agriculture and animal husbandry during this period.