Lu Xian County is a county under the jurisdiction of Luzhou City, Sichuan Province, located in the south of Sichuan Basin, between east longitude105/kloc-0' 50 "and north latitude 105 45' 30", and between north latitude 28 54' 40 "and 29 20' 00". Lu Xian County is adjacent to Yongchuan District of Chongqing and Hejiang County of Luzhou City in the east, Longmatan District and Jiangyang District of Luzhou City in the south, Fushun County of Zigong City in the west, Rongchang District of Chongqing City and Longchang County of Neijiang City in the north.

Lu Xian County is a national cultural relics county, with 53 national key cultural relics protection units, including Longnao Bridge and Song Tomb in Lu Xian County. It is a national construction labor base county, a national double-support model county, a national health city and a top 100 western economic counties.

Lu Xian County is located in the south of Sichuan Basin, with geographical coordinates of east longitude105/kloc-0' 50 "to north latitude105 45' 30" to 29 54' 40 "to 29 20' 00", with a width of about 56.23 kilometers from east to west and a length of about 46.23 kilometers from north to south. It is connected to Yongchuan District of Chongqing and Hejiang County of Luzhou City in the east, Longmatan District and Jiangyang District in the south, Fushun County of Zigong City in the west, Rongchang District of Chongqing City and Longchang County of Neijiang City in the north.