On November 7, 1931, the Red Fourth Army and the Red 25th Army were merged into the Fourth Front Army of the Chinese Workers' and Peasants' Red Army in Qiliping, Huang'an, with the commander-in-chief Xu Xiangqian, the political commissar Chen Changhao, and the director of the Political Department Liu Shiqi, under the jurisdiction of two armies.
Xu Xiangqian and Commander of the Fourth Army, chen Changhao and political commissar, had three divisions under their command.
Red 25 Army, commander Kuang Jixun, political commissar Wang Pingzhang. At first there was only the 73rd Division, but it was later expanded to form the 74th Division, the 75th Division, so that the 25th Army had three divisions.
In addition, the Red Fourth Front also formed four independent divisions, the Independent First Division, which was expanded by the Independent Regiment of Huang'an and Pi'annan County, the Second Independent Division was formed by the expansion of the Guangshan Independent Regiment and other units, the Independent 3rd Division was composed of local armed forces in Yingshan, and the Independent 4th Division was composed of local armed forces in Pixiaobei, Chicheng, Huangchuan and other counties. In addition, an International Mission of the Young Communist Party was established.
At this time, the Red Fourth Front army developed into two corps, 10 divisions, a total of more than 45,000 people. The entire Soviet district covers a total area of more than 40,000 square kilometers, with a total population of more than 3.5 million, 6 county seats and 26 county-level revolutionary regimes. The Red Army and the Soviet Union developed into their heyday.