日伪政权建立后,日本侵略者以日本的军警宪特为主,以伪满的军警宪特为辅,残酷地镇压与屠杀东北各族人民。本文通过论述东北沦陷时期日伪军警宪特两个体系镇压机构的建立与强化的全过程,揭露日本侵略者对中国东北进行军事法西斯殖民统治的侵略本质。 After the establishment of the Japanese-Puppet regime, the Japanese invaders took the Japanese military and police constitutional as the mainstay and supplemented the puppet military and police constitutions and supplemented them with brutal suppression and massacre of the people of all ethnic groups in the Northeast. This article discusses the whole process of the establishment and strengthening of the repressive institutions of the two constitutional systems of the Japanese, puppet and police in the period of the Japanese occupation in the Northeast China, exposing the nature of the aggression of the Japanese invaders for the military fascist colonial rule in northeast China.