抗日战争是中华民族全民奋起反击外敌入侵并最终取得完全胜利的伟大的民族解放战争。在战火纷飞、民族危亡的严峻岁月,中国大地也随之出现了三类从性质、组织到政策、业务都迥然不同的海关机构, The War of Resistance Against Japanese Aggression was a great national liberation war in which the Chinese nation fought against foreign enemies and eventually won complete victory. In the tumultuous years of the war and the perilous nationalities, China’s land has also emerged three types of customs agencies that are very different in nature, organization, policy, and business.