Yanling County, formerly known as Leng County, belongs to Zhuzhou City, Hunan Province, located in the southeast border of Hunan, the west foot of Jinggang Mountain, because of the "Yandi Mausoleum" - Yandi Mausoleum, the name was changed to Yanling County in 1994. Yanling County covers an area of 2030 square kilometers and has jurisdiction over 120 administrative villages in 5 towns and 5 townships.

Yanling County is an ancient Jingdi, the Han Dynasty belongs to Changsha County Chaling County, known as the "Changsha tea town tail", is the Chinese ancestor Yan Emperor Shen Nong's peace and happiness. Known as "the First Mausoleum in China", Yandi Mausoleum is a national key cultural relic protection unit and a national 5A scenic spot. Yan Ling is an important part of the Jinggangshan revolutionary base. Hengyan high speed, Yanmu high speed, Yan Ru high speed, Jiheng railway through Yan Ling. According to the seventh census data, as of midnight on November 1, 2020, Yanling County has a permanent population of 160,274.

In 2021, the GDP of Yanling County was 9.81 billion yuan, an increase of 8.8%; The added value of large-scale industries was 3.24 billion yuan, up by 12.5%; The investment in fixed assets was 8.29 billion yuan, up by 8.9%; Total retail sales of consumer goods reached 3.78 billion yuan, up by 18.8%; The local general public budget revenue was 380 million yuan, up 10.2%.

On January 29, 2021, it was selected into the list of regions with notable achievements in 2020 published by Hunan Provincial People's Government (the "three nots" in the province's petition work were established to meet the standards in counties and urban areas).