Yicheng County, under the jurisdiction of Linfen City, Shanxi Province, is located in the southwest of Shanxi Province and the southeast of Linfen City, between the two mountains of Zhongtiao and Taiyue, belonging to the temperate continental monsoon climate, adjacent to 6 counties, with a total area of 1167.76 square kilometers. As of October 2021, Yicheng County has jurisdiction over 7 towns and 2 townships. By the end of 2021, the resident population of Yicheng County is 259,623.

Yicheng County is known as the "South of Shanxi throat, Pingyang gateway" reputation. Sui Kaihuang 18 years (598 years), this county was set as Yicheng County; Seventeen years (1928), Yicheng County Zhili Shanxi Province; In October 2000, the city management system was implemented, and Yicheng County was placed under the leadership of Linfen City. The main scenic spots in Yicheng County include the Foye Mountain scenic spot, the Four Holy Palace, Fandian Guandi Temple and Qiaoze Temple Stage. In 2020, Yicheng County was selected as one of China's top 100 Counties and cities in Medical Services. In April 2021, Yicheng County was selected into the "Promotion and Evaluation List of the second batch of National Demonstration Counties for the Prevention and Control of Crop Diseases and Pests".

In 2021, the gross domestic product (GDP) of Yicheng County reached 9.05 billion yuan, with a year-on-year growth of 9.5%; The per capita regional GDP reached 34,608 yuan, and the per capita disposable income of rural and urban permanent residents reached 14,772 yuan and 36,306 yuan, up 8.7 percent and 6.3 percent respectively.