Lanmu Township, a township under the jurisdiction of Donglan County, Hechi City, Guangxi Zhuang Autonomous Region, is located in the southwestern part of the territory of Donglan County, bordering Wuchuan Township in the east, Pingdong Township of Bama Yao Yao Autonomous County in the south, Gaili Township of Fengshan County in the west, and Simeng Township and Donglan Township in the north. The administrative area of Lanmu Township is 163.79 square kilometers. From the first year of Shaoxing in Song Dynasty to the thirty-second year of Shaoxing (1131-1162), Xilan tie-up prefectures were set up and ruled in the present township.In January, 2002, Langzhan Township was merged into Lanmu Township. As of the end of 2019, the household population of Lanmu Township was 18,221. As of June 2020, Lanmu Township has 11 administrative villages under its jurisdiction. The township government is located at 8 Lanmu Street, Lanmu Township, Donglan County. As of the end of 2019, Lanmu Township had 27 general stores or supermarkets with a business area of more than 50 square meters.