定罪要靠证据。一个案件从开始到结束，实际上是从收集证据到运用证据的过程。控辩双方辩论的焦点也往往是围绕着证据而辩。没有证据，也就无法认定犯罪事实。修改后的刑事诉讼法在证据规定方面无疑有了较大程度的进步，这是丕宣而喻的。但也存在不少问题。其中一个重要的问题? Conviction depends on evidence. From the beginning to the end of a case, in fact, from the collection of evidence to the process of using evidence. The arguments of both prosecutors and defense are often debated around the evidence. There is no evidence, it can not identify the facts of the crime. The amended Code of Criminal Procedure undoubtedly made a great improvement in the provision of evidence. This is what PIC proclaims. But there are also many problems. One of the important issues?