Chen Tuan (87 1-989) lived in the late Tang Dynasty, the Five Dynasties and the Northern Song Dynasty. The word "Tu Nan" was named "Fu Yaozi" and was given the names of "Mr. Baiyun" and "Mr. Yi Xi". Later generations called him "Sleeping Fairy", the ancestor of Chen Tuan and the founder of Yi Xi. A famous Taoist scholar and health care practitioner, he highly praised the learning of Huang Lao. In the 12th year of Tang Xiantong (87 1), Chen Tuan was born in Zhenyuan, Bozhou (now a native of Yang Guo, Bozhou).

The official history confirmed that Chen Tuan's hometown was in Anhui, and descendants of Hong Kong, Macao and Taiwan also confirmed that Chen Tuan's hometown was in Anhui. There are many reliable and conclusive historical materials:

1, History of Song Dynasty (Volume 457) and Hermit (I) list Chen Tuan's life story: Chen Tuan, Zhou Zhenren, four or five years old, playing on the bank of the whirlpool, caught a glimpse of Tsing Yi, and naturally enlightened him.

Zhenyuan and Lu Yi are juxtaposed in different counties. Song History Geography IV: Bozhou, Wang Qiao County, Benfang. Dazhong Xiangfu was built for seven years to celebrate the Army Day. Beyond the south, there is no gold. County 7: 1 Joe, Wang. Father, hope. 3. Look. Yongcheng, Wang. 5 Wei Zhen and Wang. Don zhenyuan county. 6 Lu Yi, tight. 7 Mengcheng, hope.