1945年,世界反法西斯战场捷报频传。5月8日,法西斯德国签字投降,欧洲战争宣告结束;5月25日,美军下达了在日本本土登陆的指令;7月26日,中苏美英四国发表了《波茨坦公告》,敦促日本法西斯立即投降;8月9日,苏联对日宣战,出兵中国东北,消灭关东军主力。中国战场大反攻的历史重任,落在中国敌后战场肩上。1945年4月至6月,中共七大在延安召开,大会的方针是 In 1945, the world’s anti-fascist battlefield was fast reported. On May 8, Fascist Germany signed the capitulation and the European war ended. On May 25, the U.S. military issued an order to land in Japan. On July 26, the four countries of China, the Soviet Union, the United States and Britain issued the Potsdam Proclamation urging the Japanese fascists to immediately Surrendered; August 9, the Soviet Union declared war on Japan, sent troops to northeastern China, eliminating the main Kwantung Army. The historical task of a major counterattack in the battlefield in China falls on the shoulder of the battlefield behind enemy lines in China. From April to June 1945, the Seventh Congress of the Communist Party of China held in Yanan, the policy of the conference was