习惯和操作规程证据规则作为证据法上相关性理论的重要组成部分,在我国并没有得到证据法学界的重视。美国对习惯和操作规程证据的使用已有了相对成熟的规定,我们有必要对其进行研究,并吸收其内在合理性因素,以期对我国司法实践产生积极的影响。 As an important part of the theory of relevance in the law of evidence, the rules of evidence of customary and operational rules have not been given much attention in China. The United States has relatively mature rules on the use of customary and procedural evidence. It is necessary for us to study it and to absorb its intrinsic rationality in order to have a positive impact on our judicial practice.