Zhang Zhichun wrote a preface, recommending Xu Weigang's Da Liu Ren's Revealing Mysteries and Modern Applied Research.

Xu Weigang's Dry Kun in the Sleeve. In fact, it was edited by teacher Zhang Zhichun. This set of books falls into different categories, such as Qimen, Big Liu Ren, Liu Yi and Four Books. runes of magic

Chen Gongxian's A Brief Examination, and Qin's A Detailed Examination. Liu Ren and Jin Zhen, a brief introduction to breaking the six major laws, were fully released by Bi Fa Fu, guided and released by six major laws. In 2008, "Wise Men Enjoy Water" and "Detailed Interpretation of Six People's Judgments" by Yang.