Yuexi County, subordinate to Liangshan Yi Autonomous Prefecture of Sichuan Province, is located in the southwest of Sichuan Province and the north of Liangshan Yi Autonomous Prefecture, adjacent to Meigu County in the east, Mianning County in the west, Xide County and Zhaojue County in the south, and Ganluo County and Shimian County in the north. The county covers an area of 2257.37 square kilometers, governs 17 towns, 2 townships, 1 ethnic township, 168 administrative villages and 7 communities, and 697 villagers' groups. By November 2020, the permanent population of Yuexi County was 301800.

Yuexi County is an important town on the ancient Lingguan Road and the birthplace of Wenchang culture. There are more than ten ethnic groups including Yi, Han, Tibetan and Hui in the county, which is a multi-ethnic county with Yi as the main body. The territory has a subtropical plateau monsoon climate, with an annual average temperature of 13 ℃, 1600 hours of sunshine, 1113 mm of rainfall, and a frost-free period of 248 days. By the end of 2021, the total mileage of roads in Yuexi County has reached 1051.1 kilometers. Among them, there are 2 national highways (G245 and G550) with 119.9 kilometers; There are two provincial highways (provincial highway S218 and provincial highway S309) with 82.18 kilometers.

In 2020, the gross regional product of Yuexi County will reach 5.36 billion yuan, and the per capita gross regional product will reach 17069 yuan.