当前,司法人员对于犯罪嫌疑人、被告人的有罪供述过度依赖,导致口供问题成为造成冤假错案最主要的证据问题。鉴于此,笔者通过对口供补强的研究价值、要求、补强程度、审查方法等方面的分析,从而对口供补强原则在司法实践中的应用进行讨论,使得司法人员能够摆脱对于犯罪嫌疑人、被告人有罪供述的过度依赖,保证案件的公平公正。 At present, the judiciary overreliance on the criminal confession of suspects and defendants, leading to the problem of confession as the most important evidence of the unjust wrong. In view of this, the author analyzes the application of the principle of complementarity in judical practice by analyzing the research value, requirements, degree of reinforcement and examination methods of the oral confession, so that the judicial personnel can get rid of the criminal suspect , The accused guilty of excessive reliance on statements to ensure that the case of fairness and justice.