Although the impact on the political scene of the Northern Song is understandable, it is worth investigating an account for Song’s fall. This dissertation aims to consider not only Emperor Huizong 徽宗(r. 1102-1125) and the grand councilor Cai Jing蔡京(1047-1126) but also the interaction between the Emperor and Cai Jing’s faction. In doing so, there are a few perspectives which have been explored and have helped produce some insights into historical concern. Firstly, Song policy of dominating the civil bureaucracy but limiting the power of military officials 崇文抑武is seen a root to facilitate such interaction leadig to Song’s fall. Secondly, the notion of Shaoshu 紹述stands for both Huizong’s and Cai Jing’s pursuit of continuity of the new pol...