Sanshi Town is located in the southeast of Pingjiang County, Yueyang City, Hunan Province, 20 kilometers away from the county seat. During the Republic of China, the town belonged to Xianzhong Township, District 3. At the beginning of the founding of the People's Republic of China, it was Sanshi Township, and Shuangkou Township was established in 1956. In 1958, it was affiliated to Dongfanghong People's Commune, and in 1961 it was reduced to Anding and Shuangkou Commune. In 1984, it was reorganized into a township; in 1995, it was merged with the original Shuangkou, three cities and two townships to form Sanshui. town. The town has jurisdiction over 35 villages and 1 neighborhood committee, with a total population of 50,800 and an area of ??140 square kilometers. National Highway 106, Provincial Highway 1853 and Miluo River run through the territory, so transportation is convenient. In 2000, the town's GDP was 250.98 million yuan, various taxes were 5.6 million yuan, and fiscal revenue was 7.6 million yuan.