1926年,冯玉祥领导的国民军与奉、直系军阀之间进行了一场大规模战争,战争中双方共投入了40余万兵力,战线绵延数千里,时间持续4个月之久。北京北部的南口是其主要战场,史称南口大战。国民军在南口战场的作战牵制了直奉军阀的大量兵力,为广东国民政府出师北伐创造了极为有利的条件。为此,中 In 1926, a large-scale war broke out between the national army led by Feng Yuxiang and his immediate and direct warlords. During the war, both sides invested over 400,000 troops and the frontline lasted for thousands of years and lasted for 4 months. The north of Beijing’s northern mouth is its main battlefield, known as the Nankou Wars. The operation of the Kuomintang in the battlefield at the south port obstructed the large number of troops directly under the warlord government and created extremely favorable conditions for the Guomindang government to make the Northern Expedition. To this end,