Shen Xian, I don't know the details. According to the Qing Dynasty's "Great Mountain Taihe Mountain Annals" and "Junzhou Annals", this person practiced in a cave on the Flying Ascension Platform of Wudang during the Tang Dynasty, and his life was unpredictable. Later generations called the place where he practiced Shenxian Rock. This rock is one of the thirty-six rocks of Wudang Mountain.