What this article concern is not 《Bair Huu Tong Yih》 this book, but the problem that the Confucianism. This article tries the scholar of aiming at the Han Dynasty to practice in the system up of achievement, and the king is absolutist how makes use of the problem that the Confucianism is learned to build up, take into the self-reflection. Second 1 of the article, mark clearly the problem consciousness and the cultural heritage edition of the usage. Section 2 by study the text originally, comprehend 《Bair Huu Tong Yih》 the background and property of this book, and highlight the spirit that the scholar of the Han Dynasty values the fulfillment. Section 3 aim at 《Bair Huu Tong Yih》 carry out the achievement that faces in the system, trace back to the source that it thoughts, and the legitimacy foundation of its system establishment. Section 4 by 《Bair Huu Tong Yih》 the part of medium "the king's name" and "six Jis of three bonds", inquire into how the emperor make use of the Confucianism disguise the problem of it's the absolute monarchy rules. Section 5 is a conclusion. 《Bair Huu Tong Yih》 is "national constitution" of the Han Dynasty, he takes six skills of Confucianism as the foundation, and makes use of him to put forward explaining for the concrete objective problem. This attitude, can be regarded as "now text through learn" of Han Dynasty the system faces up practice of achievement. However, Han Dynasty emperor also book by value of Confucianism to the morals ideal and the ethical relations relation, enhance the heavenliness and legitimacy that it rules, hence the Confucianism also and then is been the assistance the tool of the monarchic powers governance. The Confucianism learns the spirit of valuing the fulfillment to also be buried.