Shayu Town, belonging to Chongqing Hechuan District, is located in the northern part of Hechuan District, east of Longshi Town, south of Qiantang Town, west and north of Sichuan Province, Wusheng County, Jiezi Town, Longting Township border, 37 kilometers away from the seat of the People's Government of Hechuan District, the region has a total area of 22.35 square kilometers. In the first year of Kangxi in Qing Dynasty (1662), Shayu Township territory began to build Shayu Bridge Field; in December 1992, it was changed from Shayu Township to Shayu Township. As of the end of 2018, the household population of Shayu Town was 17,092. As of June 2020, Sandfish Township is under the jurisdiction of one community, five administrative villages, and the township people's government is located at No. 1, Mishijie Street. In 2018, there were 8 industrial enterprises in Sandfish Town, including 1 above scale, and 6 general stores or supermarkets with a business area of more than 50 square meters.