內蒙古為遼代根源之地，近來考古發掘有助於歷史之研究。在內蒙古有遼之上京、中京，由蒐集之考古資料探討遼代城市建設之情形，發現分為五個等級之城市規模與其品級並無絕對之關係，城市之外形多為長方形與方形，方向多為南向，護城河、甕城、角樓、馬面等設置並無定制，且與城市之規模無顯著關係，但角樓、馬面之間距則通常有其規則；而城市之地理位置多為沿河建城。
The Inner Mongolia was the origination of Liao dynasty. Numerous archaeological uncovering and inquiry of recent time have being available for historical research. This treatise try to discuss the Liao dynasty in Inner Mongolia, there's upper and middle capital, from some part of its city remainder to research its model and establishment. The materials we have collected graded as five levels of cities. We find that the size of the city have nothing to do with the official title of the magistrate. The arrangement of the city was outlined as rectangular or True Square and the orientation of the city were mostly southward. The fashion of their ditch, outer protecting wall, turret and horse face were varied and in no accordance with the class of the city. The orientation of outer protecting wall and its distance from the horse face were generally in accordance to the rule of the time, and the location of the city was mostly beside the river.
