延庆县古崖居遗址为人工开凿于山崖之上的洞窟遗址。有学者认为古崖居属于契丹燕王家族墓地,也有学者认为属于西奚人的居住址。从目前的发现来看,将其族属定为西奚是可信的,但以往的相关研究和考证的方法值得商榷。本文依据遗存自身的时代与文化特征,结合相关文献记载,试做更深入的探讨。 Ancient cliffs in Yanqing County site for artificial cutting in the cliff above the cave site. Some scholars believe that ancient cliff belongs to Khitan Yan Wang family cemetery, some scholars think that belong to West Xi residence. Judging from the current findings, it is plausible to define his clan as Xi Xi, but the previous methods of related research and research are debatable. This article based on the remnants of their own time and cultural characteristics, combined with relevant literature, try to do more in-depth discussion.