As for Qing Wuzi, most scholars think that he is a figure in the Han Dynasty. "Custom Tong" said: "There was a good burial technique for black children in the Han Dynasty." According to Records of the Historian and the Book of the Old Tang Dynasty, the Qing Wuzi was a Xiang Di family in the Han Dynasty, and the three volumes of the Qing Wuzi were popular all over the world. This book is often quoted by later generations. For example, Liu Xiao, a scholar in the Northern and Southern Dynasties, once quoted a sentence from "Qing Wuzi Xiangzhong" in Shi Shuo Xin Yu: "Bury the horn of the dragon, it will be rich and violent, and then it will be destroyed"; Tang Lishan and others quoted the book "Qing Wu Zi Buried" in the Selected Works, saying: "The emperor was buried in the mountains and the princes were buried in the hills"; In the Tang Dynasty, Ou Yangxun quoted the book "The Tomb of Qing Wuzi" in Volume 7 of Selected Works: "The Qing Wuzi said that the mountain is like a moon or a boat, so he was buried with money, and the mountain is like a chicken, so he was buried outside the door." The mountains overlap and look like a propaganda building, buried in Lianzhou with two thousand stones. "Explain that the book" Qing Wuzi Xiangzhong "was widely circulated after the Han Dynasty.