Republic of China (1935) is located in Wan County area. The Agency is located in Wanxian City. 
Still in Wan County area in 1950. Wanxian Agency is still stationed in Wanxian City, governs 8 counties such as Wanxian (stationed in Shahe Town), Kaixian, Chengkou (resident town), Wuxi, Yunyang, Fengjie, Wushan, Zhongxian and other 8 counties.
1952 Wanxian District is a leader in Sichuan Province. Wanxian City, the original Sichuan Administration, was transferred to Wanxian Specialist leaders. Jurisdiction over one city, 8 counties.
In 1953, Wanxian City was changed to the provincial cities, and commissioning Wanxian Specialist. Liang Ping County, the original Dazhu District, is divided into Wanxian District. Jurisdiction over one city, 9 counties.
In 1970, Wanxian District was renamed Guiwan County, and the area was stationed in Wanxian. Gulaln, Wanxian and Wanxian (stationed in Shahe Town), Kaixian, Chengkou (resident), Wuxi, Wushan, Fengjie, Yunyang, Zhongxian, Liang Ping, etc.
December 11, 1992, approval of the State Council, withdrawn Wanxian District, Wan County, Wanxian, set up Wan County (prefecture), Kai County, Zhongxian, Liang Ping, Wanxian District , Yunyang, Fengjie, Wushan, Wuxi, Chengkou 8 counties, the city's area is 29,485 square kilometers. Wan County newly established 3 municipal jurisdictions: Longbao District, Tiancheng District, Wuqiao District. Takamiritang in Longbao District, Wanxian Municipal People's Government.
On December 20, 1997, the Longbao District, Tiancheng District, Wuqiao District of Wanxian City and its hopes, established Chongqing Wanxian Immigration Development Zone and Chongqing Wanxian District, Dragon Treas, Tiancheng District, Wuqiao District is changed to the Longbao Management Committee, Tiancheng Management Committee, and Wuqiao Management Committee. Three management committees of Longbao, Tiancheng and Five Bridges. Wanxian Immigration Development Zone is entrusted by Chongqing Municipal Party Committee and Municipal Government, and the county, Zhongxian, Yunyang County, Fengjie County, Wushan County, Wuxi County.
On 22 May 1998, the county is renamed for Wanzhou District, and Wanxian Immigration Development Zone is renamed for Wanzhou Immigration Development Zone. Wanzhou District jurisdiction Dragon Bao Management Committee, Wuqiao Management Committee, Tiancheng Management Committee.
On June 25, 2000, the Fengjie County, Kaixian, Yunyang County, Zhongxian, Wuxi County and Wushan County were revoked. City municipality. Longbao Management Committee, Wuqiao Management Committee, Tiancheng Management Committee changed its name to Longbao Immigration Development Zone, Wuqiao Immigration Development Zone, Tiancheng Immigration Development Zone, is governed by Wanzhou District.
In April 2005, the Chongqing Municipal Party Committee and the Municipal Government decided to revoke the Dragon Bao, Tiancheng, Wuqiao Immigration Development Zone, directly managed townships and streets directly in Wanzhou District, and governed 14 townships, 28 towns, 11 Street office. So far.