Dahai Township, belonging to Huize County, Qujing City, Yunnan Province, is located in the southwestern part of Huize County, east of the reception of the complementary township, south of the border with Dongchuan District, Kunming City, west of the town of Naagu, north of the town of Jinzhong adjoining. The total area is 311 square kilometers. As of the end of 2019, Dahai Township has a household population of 22,191. Qing, belongs to Chongli Township.In 1984, it was changed to Dahai District.In 1987, it was changed to Dahai Township. As of June 2020, Dahai Township has 21 administrative villages under its jurisdiction. The people's government of the township is located in Green Yintang Village. In 2019, Dahai Township has 8 industrial enterprises, of which there are 2 industrial enterprises above the scale, and 15 comprehensive stores or supermarkets with business area over 50 square meters.