【摘要】 “卜古可传说”是蒙元以后中外文献中广为流传的关于回鹘起源的一个传说。本文经研究后证明，该传说实际上是唐朝咸通七年（866）回鹘部落联盟中的仆固家族建立西州回鹘国的历史折射，西州回鹘国的创建者仆固俊就是所谓“卜古可”的人物原型。该传说之所以流传于蒙元时期，主要因为当时的畏兀儿族政治家力图通过这种形式为其统治者──亦都护家族修纂一个家谱，提供一个王统承嗣关系的合理说明而已。更多还原

【Abstract】 The "legend of Pu - gu Khan" is a wide - spread story on the oringin of the Ouigour ethnic group,which can be seen in a lot of historical records in Chinese and foreign writings after the Yuan dynasty established by the Mongolians. This article demonstraes that the legend is in fact a reflection of the history of the Ouigour regime founded in Xizhou by the Pu - gu family in the Ouigour tribes’ confederacy in 866 A. D., the founder of the Ouigour regime in Xizhou, Pu - gu Jun, was just the prototype of the "Pu -gu Khan". The reason why the legend was spread in the Yuan dynasty lies that the Ouigour politicians at that time were making efforts to compile a genealogy for their rulers──the Yiduhu family through this form so as to provide a reasonable inustraion for the succession of the royal lineag更多还原