Lanxian County, belonging to Lvliang City, Shanxi Province, is located in the central western side of Shanxi Province, Lvliang north, Xinzhou south, neighboring Taiyuan, east of Jingle, south of Louxiao, Fangshan, west of Xingxian, north of Bali. Lanxian County, high altitude, flat terrain, known as "the sky between the clouds". Lanxian is a temperate continental monsoon climate, the climate is cool. The highest elevation of the county is 2275 meters above sea level, and the lowest elevation is 1154 meters above sea level. The total land area of the county is 1,512 square kilometers, accounting for about 0.97% of the total area of the province and 7.2% of the total area of Lvliang City. According to the seventh census data, as of 00:00 on November 1, 2020, the resident population of Lanxian County was 148,315 people. There are more than 20 types of mineral resources with mining value in Lanxian County, including coal, iron, manganese, marble, granite, etc., with coal and iron being the most important ones.In September 2018, Lanxian County was awarded the "Hometown of Potato (Gourmet Food) in China" at the 16th China International Cereals and Oils Products and Equipment and Technology Exhibition and Trade Fair.April 18, 2019 On April 18, 2019, Lanxian County was awarded "China's Potato (Gourmet) Township" at the 6th China International Cereals and Oils Equipment Exhibition and Trade Fair. In 2019, the gross regional product of Lanxian County reached 5.5 billion yuan, with an average annual growth rate of 10.9%.