本文以“要求警察亮证”这一频繁发生的热点事件为视角,阐述警察在执法过程中表明身份的程序正当之必要性,并对现行相关法律文件进行梳理同时力求厘清之间的关系,最后联系实践对此提出相应立法设计以及司法安排。 This paper, based on the frequent occurrence of hot issues such as “Require police to prove evidence”, elaborates on the necessity of justifying the identity of the police in the process of law enforcement and makes an effort to clarify the relationship between the relevant legal documents Finally, we put forward corresponding legislative design and judicial arrangements in connection with this practice.