In the Tang and Song Dynasty, it was called Yongming. Pan, Feng, Bao, Shen, Tang, Huang, Li, Deng, Ren, Zhao, Zhou, Yuan and other twelve surnames of Yuan people lived in Qianjiaxuan, which is a happy land. They ploughed themselves and were indisputable with the world. There was only one "pearing rock" connected with the outside world. This is Qianjiaxuan.