司法承诺规则在侦查讯问中发挥着重要作用。侦查讯问有很强的对抗特征,较量的双方必然要采取一定的手段,这种思维的对抗具有博弈性。司法承诺规则能够保证犯罪嫌疑人得到某种利益,使犯罪嫌疑人自愿同司法机关协作,从而有效地降低侦查成本,提高侦查效率。文章在对司法承诺规则作详细介绍的基础上,从实体法和程序法两方面对其进行了构建,以实现侦查讯问中司法承诺的法治化,从而更好地指导实践工作。 Judicial commitment rules play an important role in investigation and interrogation. Investigative interrogation has a strong antagonistic characteristics, both sides of the contest inevitably must take certain measures, this kind of thinking has the game-oriented confrontation. The rules of judicial promises can guarantee the criminal suspects get some kind of interests, so that the suspects voluntarily cooperate with the judiciary, so as to effectively reduce the investigation costs and improve the efficiency of investigation. On the basis of detailed introduction of the rules of judicial commitment, the article constructs it from the substantive and procedural aspects to realize the legalization of judicial commitment in investigation and interrogation so as to better guide practical work.