Yun County, a county under the jurisdiction of Lincang City, Yunnan Province, is located in the southwest of Yunnan Province and at the junction of Dali, Pu'er and Lincang; It is a mountainous and mountainous county, with a low latitude plateau subtropical monsoon climate and a warm temperate monsoon climate; With a total area of 3760 square kilometers, it has jurisdiction over 7 towns and 5 townships; According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent resident population of Yunxian County was 389180.

Yunxian County is the transportation hub of Lincang and the north gate of the vast hinterland of Yunnan Province. The Lancang River, mountains, valleys, and hot dams have formed a special three-dimensional climate and natural scenery. There are Daxue Mountain, the original forest of Dabing Mountain, Nago River, Wenzhu River, Nayu River, and warm springs in the valley; There are also cultural relics and cultural landscapes, such as the bronze drum of the Western Han Dynasty, the bronze spear, the pottery of the Yuan and Ming Dynasties, the Maolan Chang'an Bridge, the Wenbi Tower in the county seat, the ancient mosque, and the magnificent Dawu Temple. On September 29, 2018, after the study of Yunnan Provincial Party Committee and Yunnan Provincial Government, Yunxian County has reached the relevant indicators for the exit of poverty-stricken counties and met the exit conditions of poverty-stricken counties, and was approved to exit from poverty-stricken counties.

In 2020, Yunxian County will achieve 13090.2 million yuan of gross regional product (GDP), an increase of 3.4% over the previous year. Among them, the added value of the primary industry was 4534.07 million yuan, up 5.7%, driving economic growth by 1.7 percentage points, and contributing 50.3% to economic growth; The added value of the secondary industry was 3532.21 million yuan, an increase of 2.2%, driving economic growth by 0.7 percentage points, and contributing 20.9% to economic growth; The added value of the tertiary industry was 502392 million yuan, an increase of 2.5%, driving economic growth by 1.0 percentage points, and contributing 28.8% to economic growth.