刑事再生证据可形成于审判阶段,司法人员很难成为刑事再生证据的形成主体。再生证据形成的时间须在犯罪完成后或者说在案发后,且并非任何刑事案件均有再生证据。疏通关系类、刺探性事实不能一概称之为再生证据。再生证据具有五个作用。应当对再生证据进行法律规制。 Evidence of criminal reproduction can be formed at the trial stage, and it is very difficult for judicial officers to become the main body of evidence of criminal revival. Reproductive evidence is formed after the completion of the crime or after the incident, and not in any criminal case. To clear the relationship class, probing facts can not be called all the evidence of reproduction. Reproductive evidence has five functions. Reproductive evidence should be legally regulated.