Because it is located south of Qinghai Lake , it is called Hainan.
Han Han The second year of Shenjue (60 BC) Jincheng County has established Heguan County , which governs the current Guide and eastern Republic, and is controlled by the "公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公公In the fourth year of Emperor Ping of Han Dynasty (4 AD), Xihai County was established, and its jurisdiction included most of the current Republic and Xinghai counties. In the sixth year of Datong in Nanliang (540), King Kualu of Tuyuhun established the capital in Shinaihai Township, Gonghe County, and all Hainan areas were their territory. Since then, it has been , Tubo territories several times. In the eighth year of Yuan to Yuan 2 (1271), Guidezhou was established, which governed part of Guide and Republic of China. It was under the jurisdiction of Hezhou Road, Shaanxi and other places in the Secretariat. The remaining pastoral areas were directly under the jurisdiction of the "Tubo and other departments" of the Central Propaganda Yuan, which was called Bili Wanhu Mansion. In the eighth year of Hongwu in the Ming Dynasty (1375), Guide County was established in Guide County, and it governed some areas of Guide, Guinan, Tongde and Huangnan Prefecture. It was under the jurisdiction of Hezhouwei, the commander of Shaanxi, and the rest were under the jurisdiction of Dasimawanhu Prefecture and Biliwei. In the early Qing Dynasty, it followed the Ming system. In the second year of Yongzheng in the Qing Dynasty (1724), it established the Office of the Minister of Ministers of the Mongolian Affairs Affairs of the Imperial Office of the Imperial Prime Minister, and managed the vast pastoral areas including Hainan Prefecture. Later, it was approved to move to Xining. In the 26th year of Qianlong (1761), Guide was changed to Guide; in 1791 (56th year of Qianlong), Guide Hall was established, and Fufan Tongzhi was established, which was under the jurisdiction of Hainan and some parts of Huangnan. After the Xinhai Revolution, Guide Hall was changed into a county in 1913. In 1915, Beiyang Government changed its system in Qinghai, and Hainan was under the jurisdiction of Ninghai Guardian Envoy and Mengfan Xuanwei Envoy. In the 27th year of the Republic of China (1938), the fifth and seventh administrative inspection areas in Qinghai were established. After Qinghai was established in 1929, 1935 and 1939, it successively established Gonghe County , Tongde County , Daheba Establishment and Management Bureau, and in 1945, Daheba Establishment and Management Bureau was changed to Xinghai County .
After the liberation of Hainan in September 1949, the people's governments of Guide, Gonghe, Xinghai and Tongde were successively established. In July 1953, Guide and Tongde counties divided into some areas and established Guinan County. On September 30, 1953, the Government of the State Council approved the establishment of Hainan Tibetan Autonomous Region, and was officially established on December 15. The People's Government of the Autonomous Region is stationed in Chabucha, Gonghe County, and is under the jurisdiction of five counties: Republic of the Republic (formerly the Tibetan Autonomous Region of Gonghe County was restored to a county and stationed in Chabucha), Guide (site in Heyin Town, ), Guinan (set up from the southern part of Guide County, stationed in Laqu), Xinghai (formerly the Tibetan Autonomous Region of Xinghai County was restored to a county and stationed in Daheba), and Tongde (formerly the Tibetan Autonomous Region of Tongde County was restored to a county and stationed in Gabasongdu). On July 28, 1955, the autonomous region was renamed Hainan Tibetan Autonomous Prefecture with the approval of the State Council. In 1958, Xinghai County was moved from Daheba to Ziketan . In 1959, Tongde County was transferred to Goluo Tibetan Autonomous Prefecture, and Maduo County, which was originally a member of Goluo Tibetan Autonomous Prefecture, was transferred to Hainan Tibetan Autonomous Prefecture; Guinan County's resident moved to Mangla. In 1962, Tongde County was transferred from Goluo Tibetan Autonomous Prefecture to Hainan Tibetan Autonomous Prefecture, and Maduo County was assigned to Goluo Tibetan Autonomous Prefecture. At this point, Hainan Tibetan Autonomous Prefecture has governed five counties: Republic (station in Chabucha), Guide (station in Heyin), Guinan (station in Mangla), Tongde (station in Gabasongdu), and Xinghai (station in Ziketan). In March 1979, with the completion of the Longyangxia Hydropower Station, the Longyangxia Office (replaced into the Longyangxia Administrative Committee in 1988) was established, which was a county-level agency sent by the state government. At this point, Hainan Prefecture has a total of five counties, including the Republic of China, Guide, Xinghai, Guinan, Tongde, and the Longyangxia 1 Committee. In 2002, the Longyangxia Administrative Committee was abolished; at this point, Hainan Prefecture has a total of five counties: Republic of China, Guide, Xinghai, Guinan and Tongde.
On January 9, 2001, Qinghai Provincial People's Government Qingzheng Letter [2001] No. 6 approved: ① Abolish Hexi Township, Guide County and establish Hexi Town. ② Abolish Layihai Township, Guinan County, establish and name it Mangqu Town ; abolish Guomaying Township, establish Guomaying Town . ③Bashui Township, Tongde County was abolished, and it was established and named Gabasongduo Town. ④Chabucha Township, Gonghe County was abolished and incorporated into Chabucha Town, ;Chabucha Township was abolished and Daotanghe Town was established.⑤ Daheba Township, Xinghai County was abolished, established and named Ziketan Town (moved to Ziketan); Heka Township, was abolished, and Heka Town, was established.
In August 2006, with the approval of the Qinghai Provincial Government, the township administrative division of Hainan Prefecture adjusted the original 40 townships (including 29 towns and 11 towns) to 36 townships (including 21 towns and 15 towns): the Yingdeer Township of Gonghe County was abolished, and the Tanggemu Town was established, and the town government was moved to Tanggemu, where the former Tanggemu Farm was located, and the town management system was implemented; the Dongba Township of Gonghe County was abolished, and the two townships of Guide County were merged, and the Changmu and Donggou Townships were abolished, and the Chang was merged. Muzhen , the town government is located in Zhoutun, the former Donggou Township government, and implements the town-management system; Qushi'an Township, Xinghai County is abolished, Qushi'an Town is established, and implements the town-management system; Sangdang Township, Xinghai County is abolished, and the four villages of Sangdang, Mingxing, Xiatang and Yematai in Sangdang Township are assigned to Tangnaihai Township, Xinghai County, and the Chebuzang Village in Sangdang Township are assigned to the jurisdiction of Ziketan Town, Xinghai County; Tanggan and Gumang Township are abolished, and Tanggu Town is established, and the town-management system is established.
