Bai Yuchan (about1134-1229; There are still many opinions about the year of birth and death in modern academic circles, which need to be verified. Quanzhen, founder of the Southern Sect of Taoism, one of the five ancestors of the Southern Sect, surnamed Ge and named Chang Geng. Bai's stepson, so he is also called. Words such as Hui, Bai Lao,No. Hai Qiongzi, Hainan Weng, Wuyishan people, etc. In the Southern Song Dynasty, Qiongzhou (now Qiongshan, Hainan) was born in Minqing, Fujian. Young and intelligent, proficient in the Nine Classics, capable of poetry and poetry, good at painting and calligraphy, and has taught boys various subjects. And the dragon, because "killing people, desperate to go to Wuyishan." He is one of the southern sects of Taoism and a theorist of Inner alchemy. He is brilliant and has many books. Committed to spreading Dan Dao and attracting disciples, he set up a parish organization called Jing, which was recognized by the government and formed a formal cult, becoming the actual founder of Nanzong, the Inner Dan Sect of Taoism. It is generally believed that Bai Yuchan organized the missionary activities of Nanzong at that time and was the actual founder of Nanzong.