The case of Nie Shubin again put a spotlight on the alert and rethinking of wronged and misjudged cases. Whereas the reasons for wronged and misjudged cases are complex,the idea of legislation shall be upheld,and the perspectives from the judicial system,litigation system,evidence system and the application of law shall be adopted,so as to improve the mechanism for the prevention and correction of wronged and misjudged cases. On the basis of guaranteeing the independent exercise of the judicial power by the people’s courts,the reform of the trial-centered litigation system shall be promoted,the principle of presumption of innocence shall be established in law,the initiation of retrial shall be improved by exploring a pattern which moves towards the rule of law,and the principle of observing new laws and old ones which are beneficial to defendant shall be abided by in the application of Criminal Procedure Law.