195 1 ninger area was renamed pu' er area; Ninger County was renamed Pu 'er County. Pu 'er area governs 15 counties. 1952, Cangyuan County was included in Mianning area. Lancang county moved to menglangba. Pu 'er area governs 14 county.
1953, Cheche, Yue Zhen, Fohai and Nanqiao were placed in Xishuangbanna Dai Autonomous Prefecture. Revoke Liushun County and merge into Simao County; Ningjiang County was revoked, and Wang Meng and Ankang areas were placed under Xishuangbanna Dai Autonomous Prefecture; Yakou District and Xinyingpan District are under the jurisdiction of Lancang Lahu Autonomous Region. 1On April 7, 953, Lancang Lahu Autonomous Region (in Funai) was established in some areas of Lancang County. Simao area governs 8 counties 1 autonomous region.
1954 May 18 Jiangcheng County was changed to Jiangcheng County Hani and Yi Autonomous Prefecture (in Menglie); June 65438+10/October 65438+June, a part of Lancang County merged with a part of Lancang Lahu Autonomous Region, and the Dai Lahu and Wa Autonomous Region was established in Menglian County (located in Chengzi, Menglian). Simao area governs 7 counties and 3 autonomous regions.
1955, Pu 'er Department moved to Simao, renamed Simao District (in fuxing town). Jiangcheng Hani and Yi Autonomous Prefecture was changed to Jiangcheng Hani and Yi Autonomous County; Lancang County was revoked and merged into Lancang Lahu Autonomous Region. There are 6 counties, 1 autonomous county and 2 autonomous regions under the jurisdiction of Simao area.
1959 Lancang Lahu Autonomous Region was renamed Lancang Lahu Autonomous County; Menglian Dai, Lahu and Wa Autonomous Region was renamed Menglian Dai, Lahu and Wa Autonomous County. Jurisdiction over 6 counties and 3 autonomous counties.
Simao County 1960 was revoked and merged into Pu 'er County; Zhenyuan county was revoked and merged into Mojiang County, Jingdong County and Jinggu County and Xinping County of Yuxi District. Simao area governs 4 counties and 3 autonomous counties.
1962 Restore zhenyuan county (in Yanban Town). Simao area governs 5 counties and 3 autonomous counties.
1965, Ximeng Wa Autonomous County was established in Ximeng Mountain Area. On March 6th of the same year, Ximeng Wa Autonomous County was formally established (in Ximeng). Simao area governs 5 counties and 4 autonomous counties.
1970, Simao area was renamed Simao area, located in Simao Town (formerly fuxing town) of Pu 'er County. It has jurisdiction over five counties: Pu 'er (in Ninger Town), Jingdong (in Jinping Town), Zhenyuan (in Xiaguanyin Town), Jinggu (in Dajie Town) and Mojiang (in Jiulian Town), Jiangcheng Hani and Yi Autonomous County (in Menglie Town), Lancang Lahu Autonomous County (in Menglang Town) and Menglian Dai and Lahu Autonomous County.
1979, Mojiang County was abolished and mojiang hani autonomous county was established. Simao area governs 4 counties and 5 autonomous counties.
June 5438 +20031October 30: Simao area was abolished and prefecture-level Simao city was established. (1) cancel Simao area and county-level Simao city, and establish prefecture-level Simao city. The Municipal People's Government is located in Yueguang Road, Simao Town, Cuiyun District. (2) The Cuiyun District is established in Simao City, with the original county-level administrative area of Simao City as the administrative area of Cuiyun District, and the district people's government is located in Simao Town. (3) The prefecture-level Simao City has jurisdiction over Pu 'er Hani and Yi Autonomous County, mojiang hani autonomous county and Jingdong Yi Autonomous County, Zhenyuan Yi Hani and Lahu Autonomous County, Jinggu Dai and Yi Autonomous County, Jiangcheng Hani and Yi Autonomous County, Lancang Lahu Autonomous County, Menglian Dai Lahu and Wa Autonomous County and the newly established Cuiyun District.
On June 20, 2006, the Ministry of Civil Affairs officially approved the adjustment of township administrative divisions in Simao City.
On June 5438+1October 2 1 day, 2007, it was agreed that Simao City in Yunnan Province would be renamed as Pu 'er City, Pu 'er Hani and Yi Autonomous County as Ning 'er Hani and Yi Autonomous County, and Cuiyun District of Simao City as Simao District of Pu 'er City.