Xiyang County, subordinate to Jinzhong City, Shanxi Province, is located in the east of Jinzhong City, the west foot of Taihang Mountain, east of Zanhuang County, Neiqiu County, Jingxing County, Xingtai City bordering Hebei Province, west with Shouyang County, south with Heshun County, north with Pingding County. The total area is 1954 square kilometers. As of February 2022, the population of Xiyang County is 236,000.

Shang Dynasty, belongs to micro. The end of Jian 'an in the Eastern Han Dynasty (219 years) was Leping County, and the early Sui Daye was changed to Leping County. The first year of the Republic of China (1912), the restoration of Leping County, return to the road. In 1968, Jinzhong Special Area was changed into Jinzhong Area, and Xiyang County still belonged to it. As of October 2021, Xiyang County has jurisdiction over five towns, five townships and one administrative committee. County government in Leping Town Yuxin Lane 10. Xiyang County local specialty Xiyang millet, pleurotus eryngii. Dazhai, Longyan Grand Canyon and other scenic spots.

In 2020, the GDP of Xiyang County reached 9.392 billion yuan, an increase of 6.3% over 2019. Among them, the added value of the primary industry was 536 million yuan and that of the secondary industry was 5.547 billion yuan. The tertiary industry added 3.308 billion yuan.