抗日战争是以第二次国共合作为基础,包括港澳台同胞、海外侨胞在内的最广泛的抗日民族统一战线旗帜下发动、坚持和取得胜利的。本文以翔实的资料回答了抗战时期国民党处于执政地位,又有庞大的军事和经济实力,为什么抗日战争的中流砥柱是共产党而不是国民党的问题。 The war of resistance against Japan was launched under the banner of the second extensive anti-Japanese national united front based on the cooperation between the Kuomintang and the Communist Party of China, including compatriots from Hong Kong, Maucao and Taiwan, and overseas Chinese and insisted and won. In this paper, with full and accurate information, the KMT in the War of Resistance Against Japan was in the ruling position with huge military and economic power. Why the mainstay of the War of Resistance Against Japan was the Communist Party rather than the Kuomintang.