Because of the tasks and missions undertaken in the strategic direction, and also to make full use of the more mature infrastructure of the former military regions, including communications facilities, so that they can quickly start work. The establishment of the war zones has created a command system of military commissions, war zones and troops.
The army is a fighting collective made up of soldiers, and it has to be organized into a unit so that it can be easily commanded and mobilized and its strength can be calculated. The establishment of an army is the way it organizes its soldiers. With the emergence of the army and the emergence and development of the development of the army, experienced from simple to complex, from low to high development process, the establishment of the army of each country and the same country in different historical stages of the establishment of a certain difference.
Eastern Theater of Operations: the same jurisdiction as the former Nanjing Military Region, plus the East China Sea Fleet, Air Force, Rocket Force, and Armed Police within the military region, with the headquarters in Nanjing and the army authorities in Fuzhou. Leadership and command of the armed forces belonging to the five provinces of Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi and Shanghai.
Southern Theater of Operations: including the former Guangzhou Military Region (except Hubei Province) and the former Chengdu Military Region of the Yunnan and Guizhou provinces and the South Sea Fleet under the jurisdiction of the Air Force, Rocket Force, the Armed Police, the headquarters in Guangzhou, the army organs in Nanning. Leads and commands the armed forces belonging to Hunan, Guangdong, Guangxi, Hainan, Yunnan and Guizhou.
Western Theater of Operations: formed by the merger of the former Chengdu Military Region and Lanzhou Military Region (in addition to the three provinces of Yunnan, Guizhou and Shaanxi), with its headquarters in Chengdu and the army organs in Lanzhou. It leads and commands the armed forces belonging to Sichuan, Tibet, Gansu, Ningxia, Qinghai, Xinjiang and Chongqing.
Northern Theater of Operations: including the former Shenyang Military Region (plus Inner Mongolia) and the former Jinan Military Region of Shandong and the jurisdiction of the North Sea Fleet, Air Force, Rocket Force, Armed Police, Command in Shenyang, the Army authorities in Jinan. Leadership and command of the armed forces belonging to Liaoning, Jilin, Heilongjiang, Inner Mongolia and Shandong.
Central Theater of Operations: including the Beijing Military Region and Jinan Military Region, excluding Inner Mongolia, which was formerly part of the Beijing Military Region, and Shandong, which was formerly part of the Jinan Military Region, plus Hubei, which was formerly part of the Guangzhou Military Region, and Shaanxi, which was formerly part of the Lanzhou Military Region, with its headquarters stationed in Beijing and its land force organs stationed in Shijiazhuang. It leads and commands the armed forces belonging to Hebei, Shanxi, Shaanxi, Henan, Hubei and Beijing and Tianjin.