Yanhe Township, formerly part of Wangcang County, Guangyuan City, Sichuan Province, is located in the northern part of Wangcang County, bordering Gucheng Township to the east, Zhengyuan Township to the south, Huazhen Township to the west, and Wanjia Township to the north. The area is 103 square kilometers, with a household population of 4,045 as of the end of 2019. In the Qing Dynasty, Yanjing Fort was set up.In October 1951, Yanjing Township was set up.In 1984, the commune was changed to a township.In 1992, it was merged into Guohua Township.In October 1995, Yanhe Township was analyzed and set up.In May 2020, Yanhe Township and Wanjia Township were abolished, and Yanhe Township was set up. In 2019, Yanhe Township had 8 general stores or supermarkets with business area of more than 50 square meters.