After the Zaolinzigou meeting, Chairman Mao decided to lead the Central Committee to stay in northern Shaanxi, further inspiring the confidence of the military and civilians.Peng Dehuai, Xi Zhongxun and others were excited when they learned that Chairman Mao and the central authorities decided to stay in northern Shaanxi.The Central Committee instructed the Northwest Field Corps to make good use of "mushroom tactics" and rely on the superior mass conditions and favorable terrain in northern Shaanxi to attack southern Hu Zong and support the national battlefield.The Northwest Field Corps analyzed the enemy's situation and decided to fight again.A small number of troops such as Wang Shangrong's sole brigade held back Liu Kan's main force. Wang Zhen and other main forces surrounded and annihilated the 135th Brigade of the Kuomintang Army who were preparing for reinforcements in the Yangma River area. The battle at the Yangma River was quickly won, and brigade commander Mai Zongyu was captured.captured.