Xu Heng was born in Jintai and nine years (1209), died in Yuanshizhu Emperor to a Yuan 18 year (1281), character zhong even, Hanoi (now Henan Xinyang) the human, the world calls Mr. Lu Zhai. "Song Yuan Studies Document. Lu Zhai To study Document" said that he "studying of the table regulation Zhu", "is popular study in the north", when has "north Xu Nawu" the name. Disseminates Cheng Zhu Neo-Confucianism Xu Heng, divorces oneself from reality by no means that but is can under the historical pulsation, governs the zeal, devotes to Neo-Confucianism impetus. The induction may know, Xu Heng has three significant contributions to the Yuan Dynasty study: First, the ancestor stated Zhao Fujing saying that inherited Cheng Zhu Jing to say; Second, devotes in the work and the education will industry, publicizes the Confucianist classics, and lectures the enlightenment, greatly active in later student; Third, disseminated Cheng Zhu Jing saying that therefore in extended blesses the year, is listed as on behalf of Yuan Dynasty Neo-Confucianism mainstream's Zhu Xue the examination site program, Neo-Confucianism, thus became the official study, has fuither established the dominant thought status in politics. In the synthesis, may know Xn Heng to inherit, the development in the study history, as well as influence, but has certain status.