Xinxian County, located in the southwest of Shanxi Province, belongs to Yuncheng City, Shanxi Province. It covers an area of 597.18 square kilometers. It has a warm temperate continental climate. Xinjiang County has jurisdiction over nine towns and two township units. The county government is located in Longxing Town. According to the 7th Population Census, the permanent population of Xinxian County is 282,230 as of 0:00 on November 1, 2020.

North Zhou Ming Emperor Wucheng two years (560 years) to change the East Yongzhou Jiangzhou, Wenxi County Leading city (today Liyuan town leading fort). In 2001, Yuncheng was evacuated and established as a city. Xinjiang County was under the jurisdiction of Yuncheng. Jiangxian Daxi Passenger Line eastern border transit. The Beijing-Kunming Expressway, the Linghou Expressway and the Houping Expressway meet in the territory, the Houxi Railway and the 108 National Highway run from east to west, and the 232 provincial highway runs from north to south. The Jiangxian County has such scenic spots as Longxing Temple, Jiyi Temple and Jiangzhou City God Temple. In March 2019, it was listed among the first batch of counties under protection and utilization of revolutionary cultural relics.

In 2018, the GDP of Xinxian County was 981.34 million yuan, an increase of 10.1 percent over that of 2017 based on comparable prices. The added value of the primary industry was 1822.14 million yuan, up by 3.2%; The added value of the secondary industry was 4617.01 million yuan, up by 12.8%; The value added of the tertiary industry was 337.319 million yuan, up by 10.9%. In 2020, the GDP of Jiangxian County reached 12.29 billion yuan, with an annual growth rate of 8.8%. Total revenue was 1.272 billion yuan. Revenue in the general public budget was 456 million yuan, an average annual growth rate of 27.3%. Retail sales of consumer goods totaled 4.81 billion yuan. The per capita disposable income of urban and rural residents reached 32,421 yuan and 14,172 yuan, respectively, with annual growth rates of 6.5% and 8.5%.