“321”教学模式是为适应公安机关一警多能的要求而提出的教学构想。这一模式具有整体性、协调性和层次性的特征。在实施“321”教学模式的过程中，必须进行科学的课程设置和课时安排，采用先进的教学管理方式和适宜的学生警务化管理以及合理的实践性教学安排。通过实施“321”教学模式，提高教学质量，为公安机关输送高素质的毕业生。 The “321” teaching mode is a teaching idea put forward by the public security organ in order to meet the demands of a policeman’s vigilance. This model has the characteristics of integrity, coordination and hierarchy. In the course of carrying out the “321” teaching mode, it is necessary to set up scientific curricula and class schedule, adopt advanced teaching management methods and proper student policing management and reasonable practical teaching arrangements. Through the implementation of “321” teaching mode, improve teaching quality, delivery of high-quality graduates for the public security organs.