第一次世界大战中,日本趁德国忙于应付欧洲战场之机,于1914年11月13日出兵侵占了青岛,从此青岛又沦为日本帝国主义殖民地,长达8年之久。日本侵占青岛后和德国一样,首先是控制青岛的经济命脉,以青岛为基地,加紧对山东内地进行资源掠夺:所不同的是,德国占领之初,首先进行基础设施建设,日本则是坐享其成,一方面控制了与经济密切相关的港口、海关、铁路、邮电等管理权, During the First World War, Japan took advantage of Germany’s busy handling of the European battlefield and sent troops to invade Qingdao on November 13, 1914. Since then, Qingdao has been reduced to a Japanese imperialist colony for eight years. After Japan invaded Qingdao, Germany and Germany were the same. The first was to control the economic lifeline of Qingdao and take Qingdao as its base to steal resources to the hinterland of Shandong. The difference was that at the beginning of Germany’s occupation, Japan first started infrastructure construction while Japan enjoyed its own advantage. On the one hand, it controls the management power of ports, customs, railways, post and telecommunications closely related to the economy,