张作霖自第一次直奉战争失败后,汲取了血的教训,发愤图强,励精图治,决定进行军事改革,经过两年多的时间,取得了巨大的成效,为奉军的发展,奉系军阀势力的扩张,打下基础。本文就张作霖的军事改革谈谈粗浅看法。二十世纪初,各帝国主义为重新瓜分中国,各自扶植自己在华势力的代理人——新老军阀,他们展开了连绵不断的兼并战争。1920年初,正当直皖两系军阀伙拼之际,张作霖在日本帝国主义支持下,引兵入关,企图以“武力统一”中国。是年7月,直奉进入北京。时间不久,直奉两军阀为争夺地盘和中央政权, After more than two years of hard work, Chang Tso-lin made great achievements in drawing lessons from the lessons learned from the blood after he failed in the direct war. The expansion of forces laid the foundation. This article talks about Zhang Zuolin’s military reform. At the beginning of the twentieth century, in order to regroup the Chinese, each imperialist party proponently represented its own forces in China, the old and new warlords, who carried out a series of mergers and acquisitions. At the beginning of 1920, while fighting directly with the two warlords in Anhui Province, Zhang Zuolin, with the support of Japanese imperialism, led the troops and entered the country in an attempt to “unify” China by force. In July of that year, Zhifeng entered Beijing. Shortly after that, the two warlord bases were fighting for territory and the central government.