1937年7月7日卢沟桥事变的爆发，使国共两党再次携起手来共同抗敌。中华大地进入了全民族的抗日战争。经济实力雄厚，武器装备精良的日本侵略军在华北长驱直入，在上海、南京一带步步进逼，国内“亡国论”一度甚嚣尘上。可是不到半年，八路军115师在平型关伏击日本精锐坂垣师团 July 7, 1937 Lugouqiao Incident broke out, so that the KMT and the Communist party once again join hands to fight the enemy together. The Chinese land entered the anti-Japanese war of the entire nation. The Japanese aggressors armed and reputed in their economic strength and their well-equipped armed forces have been fighting hard in North China and marching toward Shanghai and Nanjing step by step. The theory of “demise of the country” was once rampant in the country. However, in less than six months, the Eighth Route Army Division 115 ambushed Japan’s elite Sakaki Yasushi delegation in the Pingxingguan Pass