1937 After the July 7th Incident, the Japanese government decided to send Japanese troops to North China. In mid-July, 1 division and two independent HunChengLv Japanese troops successively drove to North China, and three more divisions were added, all of which were incorporated into the original Japanese garrison in China in North China. In addition to occupying Peiping and Tianjin, they also attempted to occupy the whole of North China. In August, in order to expand the invasion of China, the Japanese Chief of Staff ordered the formation of the "Shanghai Dispatching Army" and sent it to Shanghai; At the same time, it sent more troops to North China, and organized the troops stationed in China into "North China Army". In June 65438 +065438+10, in order to command the invasion of Shanghai and its surrounding areas in a unified way, the Japanese General Staff Headquarters organized the "Huazhong Army" and put the troops sent by Shanghai under its jurisdiction. 1February, 938, the Japanese base camp ordered the formation of the "Central China Dispatching Army" to command the invasion of Central China in a unified manner, and cancelled the Huazhong Army and the Shanghai Dispatching Army.

With the expansion of the war of aggression against China,1September 1939, in order to consolidate the rule in the occupied areas of China, unify the deployment of troops, and facilitate the implementation of the political strategy against the national government, the Japanese base camp ordered the formation of the "China Dispatching Army".

Hainan Yulin and Sanya bases and Nansha Islands belong to the Japanese navy.