2012年《刑事诉讼法》修改以来,刑事和解制度以及慎用死刑的司法规范都在司法实践中起到了积极的社会效果。然而,两者却也正面临着极大的挑战。面对被告人的谅解行为,需要学界寻找更为合适的适用机制。本文以被害人谅解行为为减刑情节为角度分析,探讨了被害人谅解行为作为减刑情节的合理性及其对现行减刑制度的完善。 Since the revision of the Code of Criminal Procedure in 2012, the criminal reconciliation system and the judicial norms that use the death penalty with caution have all played a positive social effect in judicial practice. However, both are facing great challenges. Faced with the defendant’s understanding, the academic community needs to find a more suitable mechanism for application. In this paper, the victim’s understanding of behavior as the mitigation of the plot point of view for the analysis of the victim’s understanding of behavior as a mitigation of the rationality of the mitigation and the current system of commutation.