River collapse township, belonging to Anqing City, Anhui Province, Su Song County, is located in the northeastern part of Su Song County, east and Gao Ling Township as a neighbor, south of Changpu Township, west of broken Liang Township, north of Liangting Township, northeast of Taihu County Jiangtang Township border. River collapse township is 30 kilometers away from the county. The total area of the administrative region is 64.51 square kilometers. As of the end of 2019, the household registration population of River Collapse Township was 33,351.
In March 1984, the commune was abolished and Hefei Township was restored.In February 1992, the district was abolished and the township was merged, with Hefei Township retaining its original establishment. As of June 2020, River Collapse Township has 6 administrative villages under its jurisdiction, and the township people's government is based in Xingling Village.
In 2019, there are 18 industrial enterprises in Hefei Township, including 2 industrial enterprises above scale, and 54 comprehensive stores or supermarkets with business area over 50 square meters.