After the island was built in qushan town, it administered 79 islands, including 5 inhabited islands (Qushan Island, Xiaoqu Island, Huangze Island, Rat Wave Island and Xiasanxing Island). The total area of Qushan Island is 73.6 square kilometers, of which the beach area is 13.8 square kilometers and the sea area is more than 3,000 square kilometers. It is the 24th largest island in China and the 6th largest island in Zhoushan Islands (after Zhoushan Island, Daishan Island, Liuheng Island, Jintang Island and Zhujiajian Island Island). The whole island is northwest-southeast, with a length of about 18km from east to west and an average width of 4km from north to south.
According to textual research on stone knives, axes and other cultural relics unearthed in Sun Jia 'ao, Daodou Town, people worked and multiplied on Qushan Island 5000 years ago. Qushan Mountain in Tang Dynasty is called Lushan Mountain, which belongs to Penglai Township, Wengshan County. During the Song and Yuan Dynasties, it belonged to Penglai Township and Guofang House in Guo Chang County. In the 20th year of Hongwu in Ming Dynasty (1387), Guo Chang County was abolished and the islanders were sent to the mainland. In the Qing Dynasty, it was called Daqu Mountain, also known as Qushan Mountain, which belonged to Dinghai County and Dinghai Zhili Hall. Guangxu years for Penglai Township Qu villa; During the Republic of China, it was called Qushan, and there were two townships, Doudou and Zhamen, which belonged to Dinghai County. 1949 belongs to Chenzhou county; 1950 After liberation, Jianqu Mountain Area belongs to Dinghai County. /kloc-0 was attached to Daishan county in June, 953, and Daqu county was built on the island in June, 65438+June, 0962. 1June, 964, Daqu County was revoked and returned to Daishan County; At the end of 1993, there were 1 town (Daodou) and 2 townships (Siping and Wanliang) on the island, which merged into qushan town in 200 1 year. In 2000, there were 52 administrative villages with 265,438+0,533 households and 55,882 people.