中国从鸦片战争战败后,弱点尽显露于国际,列强认为中国有丰富的资源却衰弱可欺,于是相继对华进行政治、经济与军事侵略。日本与中国距离最近,野心最大,侵略行动也最为疯狂。“九一八”事变开始了日本鲸吞中国的行动,战争爆发的原因很多,本文仅从日本的经济和对外政策角度探讨侵华战争的爆发。 After the defeat of the Opium War in China, the weaknesses of China were completely exposed to the international community. The powers considered that China was rich in resources but weakened and devastated. Therefore, China successively carried out political, economic and military aggression against China. Japan and China have been the most ambitious recently and their aggression has also been the craziest. The “September 18” incident started Japan’s action of swallowing China. There were many reasons for the outbreak of war. This article explores the outbreak of the war of aggression against China solely from the perspective of Japan’s economy and foreign policy.