Yanxi Township, belonging to Jialing District, Nanchong City, Sichuan Province, is located in the southwestern part of Jialing District, connecting Anping Township in the east, Jinfeng Township in the south, Pengxi County in the west, and Daxing Township in the north, and is 50 km away from the urban area of Jialing District, with a total area of 42.78 square kilometers. As of the end of 2019, Yanxi Township had a household population of 17,572. In May 1950, Yanxi Township was set up; in October 1958, Yanxi Township was changed to Yanxi Commune; in 1984, it was changed from Yanxi Commune to Yanxi Township; in October 2019, Qiaolong Township was abolished and assigned to the jurisdiction of Yanxi Township. As of June 2020, Salt Creek Township has 2 communities and 8 administrative villages under its jurisdiction, and the township people's government is located at No. 2 Jinxi Street. As of the end of 2019, Yanxi Township had 9 general stores or supermarkets with a business area of more than 50 square meters.