修正后的刑事诉讼法强调了二审公开开庭审理，使合议庭直接听取上诉、抗诉意见，对案件进行全面审理，有效发挥二审程序的审判监督作用。但是，实行二审案件公开审理，却一直是刑事审判工作的一个难点问题。长期以来，刑事二审案件的开庭比例一直不高。修正后的刑事诉讼法实施 The amended Criminal Procedure Law emphasizes public hearings in the second instance, allowing the collegiate bench to directly hear appeals and protest opinions, conduct a comprehensive hearing on the case and effectively give play to the role of trial and supervision of the second instance. However, the public hearing of cases of second instance has always been a difficult issue in criminal trials. For a long time, the proportion of criminal cases in second instance has not been high. Revised Code of Criminal Procedure Implementation