Nanxi Town, founded in August 1988, is the youngest township in Hekou County. It is located in the northeast of Hekou County, bordering Laofanzhai Township in the northwest, Maguan County in the north, and Vietnam Socialist Republic in the southeast. The border line is 60 kilometers long, 0/8 kilometers away from the county seat, with a town area of 258 square kilometers. Yunnan-Vietnam Railway and Vietnam Railway. Nanxi Town has jurisdiction over more than 30 provincial, state and county units, such as state-owned Mahuangbao Farm and Nanxi Farm. Miao, Yao, Buyi, Han and other 15 ethnic groups live in the jurisdiction, and it is a multi-ethnic township.