Shanyin County, a famous historical and cultural city, is a county under the jurisdiction of Shuozhou City, Shanxi Province, located in the northern part of Shanxi Province, between longitude 112°25′-113°04′ east and latitude 39°11′-39°47′ north. It is adjacent to Yingxian County in the east, Daixian County in the south, Shocheng and Pinglu districts in the west, and Zuoyun, Youyu and Huairen in the north. County jurisdiction 5 townships and 7 townships, with a total area of 1651 square kilometers. County People's Government in Dayue Town. According to the seventh census data, as of zero hour on November 1, 2020, the resident population of Shanyin County is 199,505 people.
Spring and Autumn belongs to the Di domain, the Warring States for the Zhao land, Qin Yanmen County, Sui set up in Yangyang, Shenwu County, Tang for the Mayi County, Liao set up in Hanyin County, Jin Dading seven years began to call the Shanyin, since then, although once changed to the Zhongzhou merged with the Jincheng County, but for a shorter period of time, and then there is reset the Shanyin County, so far unchanged.
Shanyin County is rich in natural resources, mainly coal, is a large coal-producing counties, "coal township".
On September 7, 2018, the Shanxi provincial government officially approved the exit of the "provincial poverty county" of Shanyin County and announced to the community.In 2021, the GDP of Shanyin County will be 20.41 billion yuan, with an average annual growth rate of 12.3%.