一引言大石西遼,对于由东向西的文化传播,有重大影响,为读史者所共知。西遼称号,散见于记载中的,有后遼、西契丹、大石国、大石林牙国和哈喇契丹、黑契丹等。西遼后遼等名,义显不烦赘。只有哈喇契丹、黑契丹的称号,前人虽屡经讨论,但为甚么有这个称号,却一直没有得到了解;同时哈喇契丹这个称号,是不是专指西遼,也很成问题。本文提供初步意见,希望对于这个问题的解答有所帮助。另外,拓拔改姓和大元、大清的 I. INTRODUCTION Dan Shixiao Liao, for the cultural transmission from east to west, have a significant impact, as the history of reading are well known. West Liao title, scattered in the record, there are Liao, Xi Qidan, Dashi State, Dashi Linya and Kazakhstan La Khitan, the Khitan Dan and so on. Liao and other name after the West Liao, Yi was not cumbersome. Only the title of Kharat Khitan and the Khitan Dan, although the predecessors have repeatedly discussed it, is there any reason why this title has not been fully understood? At the same time, the title of Kharat Khitan refers not only to Xiliao but also a problem. This article provides initial comments and I hope it will help answer this question. In addition, extension and change surname and Tai Yuen, Qing’s