Wang Zhen learned that the Northwest Bureau sent cadres and troops to respond, and decided to return to Yan'an via the Xilan Highway.During the battle, Xi Zhongxun's bodyguard unfortunately died.In September 1946, Wang Zhen led the 359th Brigade back to Yan'an and was received by Chairman Mao.Xi Zhongxun lamented that in order to support the 359th Brigade, Chairman Mao wrote nine letters in two months.Xi Zhongxun went to the grave of guard Li Sanwa and recalled every moment with Li Laoshuan's family, feeling extremely sad.MaoChairmanLearn from Xi Zhongxun about the situation of the security forces in northern Shaanxi where brother Hu Jingduo belongs, and discuss the Hengshan Uprising.