Langdong Town is located in the northwest of huangping county, bordering Jiuzhou Town and Pingxi in the southeast and northeast, and He Yong Town, Laofenzui Township and Xiaoheshan Township in Weng 'an County, Qiannan Prefecture in the west and northwest. The total area of the township is 1 19.22 square kilometers, the cultivated land area is 1. 1.8 million mu, the forestland area is 63.57 square kilometers, and the forest coverage rate is 6 1.99%. Administer 19 administrative villages, 162 villagers' groups, and 5200 households with 2 1 196 people. The whole town is inhabited by Han, Miao, Ge Jia and other nationalities. The highest altitude in China is1307m, and the lowest altitude is 685m. It belongs to subtropical humid monsoon climate zone, with mild climate and abundant rainfall. Annual average temperature 15.8℃, frost-free period of 288 days, annual average rainfall 1 165mm.