Lai Su town, belonging to Chongqing Yongchuan District, is located in the southwest of Yongchuan District, east of South Street Street, south of Ji'an Town, west of Baofeng Town and Sichuan Province Luzhou City Lu County border, north of Qingfeng Town, 18 kilometers from the Yongchuan District People's Government Residence, a total area of 93.21 square kilometers.
In the Song Dynasty, the Lai Su township area began to build Lai Su field; in May 1985, it was changed from Lai Su Township to Lai Su Township. According to the seventh census data, as of 00:00 on November 1, 2020, the resident population of Lai Su Town was 32,213 people. As of October 31, 2021, Lai Su Township has 1 community, 13 administrative villages, and the township people's government is located in Lai Su Field.
In 2018, there were 74 industrial enterprises in Lai Su Town, of which 7 were above scale, and there were 6 general stores or supermarkets with a business area of more than 50 square meters.