Shidian County, Baoshan City, Yunnan Province, under the jurisdiction of the county, is located in the western border of Yunnan Province, the east bank of the Nujiang River, south of Baoshan City, is located in the longitude of 98 ° 54 ′ - 99 ° 21 ′, latitude of 24 ° 16 ′ - 25 ° 00 ′ between the east of the Kuko River bordering with Changning County, south of the Menghu Polo as the boundary with the city of Lincang as a neighbor, the west of the Nujiang River and Longling County, north of Longyang District. The county is connected with Longyang District in the north. The county is 60 kilometers away from Baoshan City Government, 654 kilometers away from the provincial capital of Kunming City. A total area of 2009 square kilometers, Shidian County is the main body of the central subtropical low-latitude mountain monsoon climate, the average annual temperature of 17.6 ℃. The terrain of the territory is the Nu Mountain tailing mountain canyon area, the terrain is roughly high in the north and low in the south, and the rivers belong to the Nu River system. As of 2022, Shidian County has five townships and eight townships under its jurisdiction, with the county government located in Dianyang Township. According to the seventh population census, as of 00:00 on November 1, 2020, the resident population of Shidian County was 293,022 people. Shidian County was founded in the Western Han Dynasty, and there is a group of anti-Japanese river defense relics in western Yunnan, Huitong Bridge and other tourist attractions.On February 2, 2019, it was named a county-level national advanced unit of grass-roots traditional Chinese medicine work by the State Administration of Traditional Chinese Medicine.On May 17, 2020, it formally withdrew from the sequence of poverty-stricken counties.On July 29, 2020, it was named in the list of national sanitary townships (county townships) in the cycle of 2017-2019 . In 2021, the gross domestic product (GDP) of Shidian County finished at 100,198,800,000 yuan, calculated at comparable prices (the same below), with a year-on-year growth of 6.5%.