Haibei Tibetan Autonomous Prefecture is located in the northeast of Qinghai Province and adjacent to Gansu Province in the north. Geographical coordinates are 98 05'-102 41'east longitude and 36 44'-39 05' north latitude. It borders Datong County in Xining City, Huzhu County in Haidong City, Huangzhong County and Huangyuan County in Xining City in the southeast. It is adjacent to Tianjun County, Haixi Mongolian and Tibetan Autonomous Prefecture in the west. In the south, it faces Gonghe County of Hainan Tibetan Autonomous Prefecture across the lake; The northeast is adjacent to Tianzhu, Shandan, Minle, Yongchang, Zhangye, Sunan and other cities and counties in Gansu Province. The state capital is located in Xihai Town, Haiyan County, with a distance of 0/03 km from Xining, the provincial capital. It is 4 13km long from east to west and 26 1km wide from north to south, covering an area of 34,700 square kilometers. Haibei was a place where Xirong, Qiang and Tuguhun lived together in ancient times. Today, in addition to the Han nationality, there are Tibetans, Hui, Mongolians, Tu, Salars and other ethnic minorities living here. Haibei Prefecture has a continental plateau climate with long sunshine hours, which is suitable for animal husbandry production and planting highland barley and rape. Haibei Prefecture is one of the main animal husbandry bases and rape bases in Qinghai Province. 120 12 years, Haibei achieved a regional GDP of 9.597 billion yuan.