疑罪从无原则是现行《刑事诉讼法》所体现的基本原则之一,但如何适用,有诸多分歧。本文从现行法律规定和司法实践出发探析疑罪认定的标准和疑罪从无在司法实践中的具体运用方法,并从司法理念、刑罚目的以及适用刑罚的社会成本和诉讼效益等角度阐述正确适用疑罪从无原则的意义。 The principle of the principle of the crime of doubt is one of the basic principles embodied in the existing Code of Criminal Procedure. However, there are many differences between how to apply it and how to apply it. Based on the current legal provisions and judicial practice, this article probes into the standards of criminal suspicion and the specific methods of using suspected crimes from no judicial practice, and expounds the correct application of judicial concepts, the purposes of criminal punishment, the social costs of applying criminal punishment and the benefits of litigation The meaning of doubtless principle.