1939年，抗日战争已进入相持阶段，日本侵略者对蒋介石采取了“以政治诱降为主、军事进攻为辅”的策略。蒋介石因恐惧和仇视共产党所领导的敌后人民武装力量的壮大，便将其政策重心转向消极抗战，加剧反共摩擦，并制造了一系列惨案，残杀我抗日军民。就在这国共关系较为紧张的 In 1939, the war of resistance against Japan has entered a phase of stalemate. The Japanese invaders took a strategy of “taking political inducements as the mainstay, supplemented by military attacks,” to Chiang Kai-shek. Because of fear and hostility toward the expansion of armed forces behind enemy lines led by the Communist Party, Chiang Kai-shek shifted its policy focus to the negative war of resistance, aggravated the anti-communist friction and created a series of massacre to kill me the anti-Japanese army and the people. At this time, the relations between the two countries are more tense