Abstract: The electronic evidence was first regarded as the independent proofs in the modified Criminal procedure law of 2012, while digital evidence related rules of evidence are still not perfect. The exciting research focuses on digital evidence collection and identification techniques, which lacks of the basic rules and regulations about it. This paper which embarks from the judicial practice existing problems of digital evidence, will analyse some issues of digital evidence, such as authentication, proof power and illegal evidence elimination rule and put forward a further discussion to strengthen the electronic evidence limit problem.

摘要： 2012年《刑事诉讼法》将电子数据首次规定为法定证据种类，但相关证据规则仍尚待完备。我国现有关于电子数据的研究多集中于技术规范及比较法问题，因此本文将从电子数据实践问题出发，从电子数据的证据属性，电子数据的鉴真、鉴定，电子数据的质证、非法证据排除问题几个方面，进一步探讨如何加强对电子数据的证据限制问题。

关键词: 电子数据 电子数据的鉴定 电子数据的排除规则, Electronic evidence Electronic evidence identification The illegal electronic evidence elimination rule