《人民法院关于民事诉讼证据的若干规定》(以下简称“证据规定”)出台以来,人民法院审理民事案件时,程序的规范大有进步。但在审判实践中,还需进一步完善。本文试就证据的层递性及在民事诉讼程序中因证据的层递性,当事人必须在开庭前进行证据交换,提出相关见解。 Since the promulgation of “Several Provisions of Civil Court on Evidence in Civil Litigation” (hereinafter referred to as “Provisions of Evidence”), procedural standards have been greatly improved when people’s courts try civil cases. However, in the trial practice, we need further improvement. This paper tries to transfer the evidence of the layers and the layers of evidence in the civil procedure, the parties must exchange evidence before the trial to put forward relevant opinions.