在抗日战争中，国共两党的军事合作，主要是战略配合，但在抗战初期，战役合作也处于十分重要的地位，平型关之战，就是一次突出的战例。1937年9月11日，日军第五师团主力进至河北蔚县附近，以一部南向涞源，一部西向山西广灵、灵丘进击。当时，归属第二战区的汤恩伯指挥的第十 During the War of Resistance Against Japan, the military cooperation between the Kuomintang and the Communist Party was mainly based on strategic cooperation. However, in the early days of the Anti-Japanese War, the cooperation in the campaign was also in a very important position. The war on Pingxingguan Pass was a prominent war example. September 11, 1937, the main force of the Fifth Division of the Japanese army went into the vicinity of Yuxian County, Hebei Province, with a southward Huangyuan and a westward Shanxi Guangling and Lingqiu attack. At the time, Tom Ember, who belonged to the Second Theater, was the tenth conductor