Yiwu Ancient Tea Mountain and Ancient Town, once the seat of the "Zhenyue County", have a long history of planting tea and making tea, especially in the late Qing Dynasty, it became the most lively and prosperous tea horse ancient town and tea processing and distribution center in the six major tea mountains. According to historical materials, Qing Jiaqing and Daoguang years, Yiwushan produces more than 70,000 dans of dried tea every year. The Pu'er tea produced is constantly shipped out by the Pu'er team, passing through Pu'er, to Xiaguan, Lijiang, and into Sichuan, to Kangzang area.