Introduction to Cai Xianren in Guzhen: There is a beautiful legend about Baihou’s name: A long time ago, there was a fairy here. People called her Cai Xianren. Facing this land of mountains and rivers, she may have the spirit of immortality. , perhaps due to the exquisite magic of magic, in just one night, when the morning rooster crows, the oldest water conservancy project in Baihou - Cai Xianren Town was excavated among the peaks and cliffs.