契丹之旗鼓，是契丹族社会最高权力者可汗的标志。对其来源，史书记载不一。本文拟就契丹旗鼓之来源及契丹贵族围绕着它进行的一系列斗争作论述，不当之处，诸方家指正。一、据《新唐书·契丹传》记载：“贞观二年（628年），摩会来降。明年，摩会复入朝，赐鼓，由是有常贡。” Khitan’s flag drum, Khitan people is the highest authority Khan’s symbol. For its origin, different historical records. This article intends to talk about the source of the Khitan dynasty and the Qidan aristocracy around it to conduct a series of discussions on the struggle, improper, Zhu Fang correct. According to “The New Tang Dynasty Khitan Biography” records: “Jungang two years (628 years), Mount will come down next year, Mount will move into North Korea, thanks to the drum, there is an ordinary tribute.”