Yanggao County is Datong City, Shanxi Province, under the jurisdiction of the county, is located in northeastern Shanxi, Jin, Hebei and Mongolia provinces and districts at the junction, jurisdiction of 11 townships and 197 administrative villages, with a land area of 1,598.3 square kilometers, arable land of 971,700 acres, a household population of 262,900,000 people, the resident population of 186,600,000 people, a typical agricultural county, but also the province's rural revitalization of the focus of the county, the model county of Shanxi Province, the double embrace.
As early as 100,000 years ago in the middle of the Paleolithic era, "Beijinger" descendants "Xu Jiayao people" settled here and left remains. In 306 BC, the State of Zhao in this high Liu County, Liao called Changqing County, Jin changed to Baideng County, Song and Ming for the border towns, Qing Yongzheng three years (1725) began to call Yanggao County, the establishment of 2300 years of history.
The county has 321 immovable cultural relics, including 3 national key cultural relics protection units, 4 provincial key cultural relics protection units, 3 municipal key cultural relics protection units. There are 32 intangible cultural heritage protection projects, including 2 at the national level, 5 at the provincial level and 7 at the municipal level. Folk culture is splendid and bright, is known as the hometown of Chinese Er Ren Tai art, has a history of more than 600 years of slippery silver mountain drum band, more than 200 years of history of Li Man Mountain Tao music is renowned at home and abroad.
In 2009, the site of Gao Liu County was discovered near Liguantun Village in Longquan Town, 1.5 kilometers away from Yanggao County. The Gaoliu County site is about 1,000 meters long from east to west and 620 meters wide from north to south, with a distribution area of 620,000 square meters, and belongs to the cultural remains of the Han Dynasty.
On September 25, 2018, it was awarded the honorary title of "2018 Comprehensive Demonstration County of E-commerce into Rural Areas" by the Ministry of Commerce.On April 18, 2019, the People's Government of Shanxi Province approved the exit of Yanggao County from the poverty-stricken county.
In 2022, the county's gross domestic product (GDP) will be 799.179 million yuan, an increase of 6.5% over the previous year.