一九四四年日本军国主义从关东军中抽调其精锐部队第三师团向我国西南部大举进攻。10月攻打衡阳，国民党守军军长方先觉降敌。衡阳沦陷，日军挥师南下，长驱直入。当时国民党军第九战区司令长官薛岳所部，虽在残败之余，尚有相当力量，蒋介石的统帅部想要他率领部队退入广西， In 1944 Japanese militarists deployed the third division of their elite troops from the Kwantung Army to launch large-scale offensive in southwest China. In October attack Hengyang, Kuomintang defensive army commander Fang Xianjian enemy. Hengyang fall, the Japanese army maneuver south, drive straight into. At that time, Xue Yue, commander of the Ninth National Theater’s commander in chief of the 9th Theater, still had considerable strength while remaining in ruins. Chiang Kai-shek’s commander wanted him to lead the troops back into Guangxi,