Longling County, located in the west of Yunnan Province, has geographical coordinates of 98 ° 25 ′ - 99 ° 11 ′ E and 24 ° 07 ′ - 24 ° 50 ′ N. In the order of southeast and northwest, it borders Shidian, Yongde, Zhenkang, Myanmar, Luxi, Lianghe, Tengchong and Longyang respectively. The maximum east-west distance of the county is 64 kilometers, the maximum north-south span is 78 kilometers, and the total area is 2884 square kilometers. The county has jurisdiction over 5 towns and 5 townships (including 1 ethnic township). According to the data of the seventh population census, as of 0:00 on November 1, 2020, the permanent population of Longling County was 272769.

Longling is located in the Nujiang River fault zone, where there are many earthquakes and geothermal energy. It belongs to the subtropical mountain monsoon climate with obvious three-dimensional climate and annual precipitation of about 2300 mm. It is known as "rain screen in western Yunnan".

The scenic spots and historic sites include Xiaoheishan Nature Reserve, Banglachang Hot Mineral Spring, Songshan Battle Site, Dama Martyrs Cemetery, Xishan Park, Yunlong Temple, and other Neolithic cultural sites such as Hetou Charcoal Field Slope. On February 2, 2019, it was rated by the State Administration of Traditional Chinese Medicine as an advanced unit in the work of traditional Chinese medicine at the national grass-roots level at the county level. On April 30, 2019, the People's Government of Yunnan Province decided to withdraw Longling County from the poverty-stricken county sequence. On July 29, 2020, it was included in the naming list of national health towns (counties) in the 2017-2019 cycle.

In the first half of 2021, the regional GDP of Longling County was 5.83 billion yuan, an increase of 10.6% year on year, an average increase of 5.2% in two years, the absolute value was the fourth in the city, the growth rate was the second in the city, 1.1 percentage points higher than the city's average level, of which the added value of the primary industry was 1.05 billion yuan, an increase of 7.6%, and an average increase of 4.8% in two years; The added value of the secondary industry was 2.64 billion yuan, an increase of 13.5%, and an average increase of 5.3% in two years; The added value of the tertiary industry was 2.14 billion yuan, up 8.8%, with an average increase of 5.7% in two years.