Ziyi is a descendant of Cao Wei and Wu. "biography of Pingyang official office in Han dynasty in Tang qiuting" says: "Qiu, Tang Wenxi, whose name is yonghui (650 ~ 655). Fan Yuefeng is a senior with high power. He tasted Mount Tai and met a god in the stone room, who taught him the Jade Sutra, namely the Cape Sutra. It is unlucky to know yin and yang in the cave and choose according to law. During the kaiyuan period (7 13 ~ 74 1), people in the county were buried with geographical features. When I met the Taishi, I said,' Hedong smells the son of heaven'. The imperial court avoided it, cut off the mountain where it stood, arrested it, captured it with imperial edict, and accused it of original sin. In order to avoid the theory of harmony with Yang, take the Secret Book as an example. Sacrifice to Sanxian Cave. He is the author of Shajing, Copper Letter, Tian Tong Five Bureaux, Golden Mirror, Cape Classic and Don Qiu Meng.