Huan County, subordinate to Qingyang City, Gansu Province, is located in the east of Gansu Province and the northwest of Qingyang City, between 36 ° 1 '- 37 ° 9' north latitude and 106 ° 21 '- 107 ° 44' east longitude. It borders Huachi County, Qingyang City, Gansu Province, Dingbian County, Yulin City, Shaanxi Province to the east, Qingcheng County, Zhenyuan County, Gansu Province to the south, Yuanzhou District, Guyuan City, Ningxia Province and Tongxin County, Wuzhong City to the west, and Yanchi County, Ningxia Province to the north. It is about 124 kilometers wide from east to west and 127 kilometers long from north to south, with a total area of 9236 square kilometers. By 2020, Huan County has 10 towns and 10 townships under its jurisdiction, including 251 administrative villages, 11 communities and 1487 villager groups.

According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent resident population of Huan County was 304687. Mainly Han, there are 13 ethnic minorities including Hui, Mongolian, Tibetan, Uygur, Miao, Yi, Zhuang, Buyi, Korean, Manchu, Dong, Tujia, Jingpo, etc.

Huan County is the "National Advanced County for Grain Production", "China's Town of Small and Miscellaneous Grain", "China's Town of Shadow Play", one of the main producing areas of cashmere, wool, leather and various meat products in the northwest, the pilot unit for the construction of the national rural governance system, and the pilot unit for the promotion of the quality of the national farmers' cooperatives in the whole county.

In February 2020, the People's Government of Gansu Province approved Huan County to withdraw from the poverty-stricken county sequence. In 2020, Huan County achieved a GDP of 10.964 billion yuan, a year-on-year increase of 6.1% (at comparable prices, the same below), of which the added value of the primary industry was 1.672 billion yuan, a year-on-year increase of 5.4%; The added value of the secondary industry was 5.69 billion yuan, up 8.4% year on year; The added value of the tertiary industry was 3.603 billion yuan, up 1.3% year on year.