近年来,警察出庭作证成为各方关注的热点之一。首先,从比较法的角度分析了两大法系刑事诉讼中警察出庭作证的异同点及其成因,澄清了媒体呼吁警察出庭作证常态化的误区,其次分析了我国警察出庭作证现状及确立警察出庭作证之必要性,又次从理论和实践两个层面分析了警察出庭作证必须克服的障碍,并在此基础上规划了警察出庭作证范围“度”的把握,最后设计了警察出庭作证的制度保障措施。 In recent years, police testified in court has become one of the hot spots of concern to all parties. First of all, from the perspective of comparative law, this paper analyzes the similarities and differences of police testifying in criminal lawsuits between two legal systems and their causes, clarifies the misunderstanding that the media urges police to testify in court, and then analyzes the present situation of police testifying in court and the establishment of police testifying in court It analyzes the obstacles which police must overcome in court testifying from two aspects of theory and practice. On this basis, it also plans to grasp the degree of “degree” that the police testify in court and finally designs the system safeguard measures for the police to testify in court .