1950年1月下旬,解放战争在云南尚未结束。陈赓将军遵照毛主席关于“敌逃必追、追必到底、不歼不止”的作战方针,命令我13军组织轻装部队,依靠傣族人民的支援,在滇桂黔边区纵队(简称“边纵”)第九支队和卢汉起义部队配合下,穷追猛打逃过元江的国民党残军,力求把敌人消灭在国境线 In late January 1950, the war of liberation was not yet concluded in Yunnan. In accordance with the Chairman Mao Zedong’s operational guideline of “fighting by enemy forces and fleeing in the end, chasing after the enemy in the end and not annihilating it,” General Chen Yong ordered that the 13th Army organize lightly armed forces and rely on the support of the Dai people in the columns of the border areas of Yunnan, Guangxi and Guizhou (referred to as " ) With the support of the Ninth Detachment and the Uyghur rebel forces, they persecuted and pursued the remnants of the Kuomintang (KMT), who escaped the Yuanjiang River, and sought to eliminate the enemy from their borders