Sanduo Township, belonging to Shanxi Province, Linfen City, Daning County, is located in the southeast of Daning County, east and Puxian Shanzhong Township border with the south and Jixian Tunli Township, west and Qu'e Township adjacent to the north and Xinshui Township connected to the township people's government is located in the county seat from the county town of about 14 kilometers. The total administrative area of 213.34 square kilometers. In 1949, it belonged to the second district of Daning County. 1955, it belonged to 4 townships of Sanduo, Neishi, Dongzhuangping and Liancun. 1956, it belonged to 2 townships of Sanduo and Southeast Fortress. 1958 June, it belonged to Sermon County. 1958 September, it belonged to Lvliang County. 1961, it belonged to Daning County again, and 1961, it set up the Sanduo Commune. 1984, it changed to Sanduo Township. 2001 October, South Fortress Township was merged into Sanduo Township. Township was merged into Sanduo Township. As of the end of 2018, the household population of Sanduo Township was 8,448. As of June 2020, Sanduo Township has 14 administrative villages under its jurisdiction, with the township people's government stationed in Sanduo Village. As of the end of 2018, there was 1 general store or supermarket with a business area of more than 50 square meters in Sanduo Township.