1 From April 23rd to May 3rd, 947, the Inner Mongolia People's Congress was held in Wangye Temple (now Wulanhaote City), and it was decided that May of 1 was the anniversary of the establishment of Inner Mongolia Autonomous Region, which took the lead in realizing regional ethnic autonomy in China, including Hulunbeier, Nawenmuren, Xing 'an, Xilingol and Chahar League, with 32 flags./kloc-0 The autonomous government is in Wangye Temple. 1949110 In October, with the approval of Premier Zhou Enlai of the State Council of the Central People's Government, the autonomous government moved to Zhangjiakou. 1September, 949 19, Dong, a senior Kuomintang general and acting governor of Suiyuan, led the uprising. Later, Suiyuan Provincial People's Government was established. On March 5th, 1954, the Inner Mongolia People's Government, Suiyuan Provincial People's Government Committee, Suiyuan Military and Political Committee and Suiyuan Provincial People's Congress Consultative Committee jointly held an enlarged meeting in Guisui City (Hohhot). According to the order of the Government Council of the Central People's Government, from March 6th, the organizational system of Suiyuan Province and the provincial people's government were abolished at the same time, and the original Suiyuan Province was merged into Inner Mongolia Autonomous Region, led by the people's government of Inner Mongolia Autonomous Region and stationed in Hohhot. 1On July 30th, 955, Aohan, Onniute Banner, Harqin Banner, Chifeng, Ningcheng and wudan counties in Jehol Province were placed under the jurisdiction of Zhaowudamang Autonomous Region. On April 3rd, 1956, Bayanhaote Mongolian Autonomous Prefecture and Ejina Mongolian Autonomous Banner in Gansu Province were transferred to Inner Mongolia, and Bayannaoer League was added, taking the administrative regions of the original autonomous prefecture and autonomous banner as the administrative regions of the League. July 5 1969 Hulunbeier League, Zhelimu League and Zhaowuda League were respectively placed in Heilongjiang, Jilin and Liaoning provinces; Alashan Zuo Qi, Alashan Right Banner and Ejina Banner were included in Ningxia and Gansu respectively, and were re-included in Inner Mongolia Autonomous Region on May 30, 1979.

There are 9 cities in the whole region: Hohhot, Baotou, Wuhai, Chifeng, Tongliao, Ordos, Hulunbeier, Wulanchabu and Bayannaoer. Xing 'an, Alashan and Xilin Gol League; In addition, there are two cities with separate plans, Manzhouli and Erenhot. It has jurisdiction over 16 county-level cities, 17 counties and 52 flags, including three national autonomous flags of Oroqen, Ewenki and Molidawa Daur.