Abstract: The judicial application of the lenient system of admission of guilt and acceptance of punishment cannot be separated from the cooperation of the procuratorate and the court, and the sentencing suggestions provided by the procuratorate are of great reference value to the judgment results.Through the analysis of the judgment documents on the application of leniency system of admission of guilt and punishment in the public in 2017-2018 in Beijing, after the sentencing suggestions are rejected, and the trial result is lighter, more inclined to adopt correction punishment and the final trial result is more cautious.In the judicial application of sentencing suggestions, it embodies the advantages of distinguishing people, providing reasons and improving the court's discretion, at the same time, it also exposed the disadvantages of the formatting, excessive range and violation of objective laws.For the perfection of sentencing suggestions, we should start from the document style, measurement standard and standard range, supplemented by the entry of the duty lawyer.As for the construction of the relief procedure after the sentencing suggestions are rejected, the court should give an explanation and construct an unobstructed prosecution relief channel.