Yuan Tiangang was the most famous physiognomist in the Tang Dynasty, and he was also famous in the history of physiognomy in China. Born in Chengdu, Sichuan (now Chengdu, Sichuan), the year of birth and death is unknown. Astronomers, astrologers, forecasters, feng shui masters, Taoist priests, fortune tellers and Yizhou people in the late Sui and early Tang Dynasties. Being good at study style, he was so tired that he was ordered by Yan Guan in Sui Dynasty and Huojing (Lin Qiong) in Tang Dynasty. According to legend, he knows "learning from the wind", that is, according to the wind and direction, good or bad luck can be broken. He is also proficient in facial expressions, six rings and five elements. He is the author of Liu Ren Jing, Five Elements Xiang Shu, Three Generations Xiang Fa, TuiBei Tu (written by Li * * *), Yuan Tiangang Gu Fu, etc. There are records during the Tongzhi period, including Xuanjingyao, which has been lost for a long time.
Legend has it that Yuan Tiangang soared in the daytime after gaining enlightenment in Lingyun Mountain. There are outstanding people around Lingyun Mountain. According to historical records, Fuxi Nuwa, the ancestor of Chinese civilization, was born in this magical land. People have praised people for their successful practice so far. It is here that Hu Beiyuan and Taoist priests in the Tang Dynasty rose by day, and the story of Yuan Tiangang's enlightenment and rising by day is well known.