Yanshan County, which belongs to Shangrao City, Jiangxi Province, is located at the northern foot of Wuyishan, bordering Guangxin District in the east, Yiyang County and guixi city in the west, Hengfeng County in the north and Wuyishan City and Guangze County in Fujian Province in the south. The county covers a total area of 2 178 square kilometers and governs 8 towns and 9 townships 178 administrative villages (communities). Hekou town and county people's government. At the end of 20021,the registered population of Yanshan county was 480,700. ?

In the 11th year of Baoda in Southern Tang Dynasty (953), the county was established. Because there is a lead mountain in the west of Yongping Town, it was named Shan County and placed in Xinzhou. 1949 After the liberation of Lead Mountain in May, it belonged to Shangrao area, Shangrao area and Shangrao city. The county's total area is 2 178 square kilometers, and its basic landform features are high in the south and low in the north.

In 20021year, the regional GDP of Yanshan county reached1826.4 billion yuan, an increase of 8.6% over 2020.

During the Shang and Zhou dynasties, there was human labor on the land of lead mountain.

In 953, the county was founded in the 11th year of Baoda in the Southern Tang Dynasty. Because there is a lead mountain in the west of Yongping Town, it was named Shan County and placed in Xinzhou.

From the Yuan Dynasty to the 29th year of the Yuan Dynasty (1292), the county was promoted to the state of lead mountain, which was placed under the jurisdiction of Zhejiang Province.

In the second year of Hongwu in Ming Dynasty (1369), it was re-established as a county and placed under Guangxin House.

In the third year of the Republic of China (19 14), there was a road under the province, and the lead mountain belonged to Yuzhang Road; In the twentieth year of the Republic of China (193 1), it belonged to the sixth administrative region.