Criminal engineering is one of the specialized subjects under the specialized training program of the People’s Police University
Through the study and study of the subject, it will help students accumulate the necessary knowledge and basic skills for criminal engineering work after the students graduate. Therefore, choosing an appropriate teaching method in order to improve the teaching effectiveness of Criminal Engineering subject, thereby helping students to improve the accumulated knowledge and necessary skills is an urgent requirement. The scope of this article, introduces the active teaching method and some notes when applying the active teaching method in teaching Criminal Engineering at the People’s Police University in order to improve the effectiveness. teach this subject.