Introduction to Wuyuan: Wuyuan County is one of the counties in Dali Prefecture of Yunnan Province. It is located in the north of Dali City and the source of the Bohai Sea. The land area of ​​2,875 square kilometers is a minority county with 24 ethnic groups, including Han, Bai, Yi, Hui, Yi and Yi, and mainly Bai nationality. At the end of 1999, it was 324,000. Due to its rich natural resources, Wuyuan has been praised as “the land of fish and rice”, “hometown of plums”, “hometown of dairy cows”, “hometown of hot springs”, “land of orchids”, “plateau water town” and “hometown of 唢呐”.