认罪认罚从宽制度是2018年刑事诉讼法修改时正式确立的一项诉讼制度，检察机关在这一制度适用中扮演着举足轻重的主导作用，其经验和问题也具有鲜明的本土特点，从检察环节进行该制度的实证研究，具有刑事政策、理论和实践上的意义。 本文首先分析阐述认罪认罚从宽制度实证研究的理论、政策和现实基础，包括中国和合文化的司法传统文化基因、协同主义的诉讼模式构造、恢复性司法理念作为这一制度的刑事诉讼理论基础以及宽严相济的司法政策指引作用等，探索对认罪认罚从宽制度法理基础和现实需要进行更丰富和开放性的拓展。 其次，实证研究的重要目的是发现问题和解决问题，以问题为导向开展研究。本文以G省认罪认罚从宽案件诉讼整体情况与各类罪名适用情况入手进行实践样本的整体考察，运用比较分析法和逻辑分析法，以数据和比率来梳理和归纳出这一制度在司法实践中的适用效果、困境和问题。同时，采取案例分析的研究方式，选取了三个G省检察机关办理认罪认罚从宽案件的典型案例，突出检察机关履职情况和认罪认罚适用过程，并在此基础上阐释了以检察为中心的研究意义。 再次，检察机关在认罪认罚从宽案件的诉讼过程中尤其是审前程序的主导作用尤为突出，从制度运行状况看，适用认罪认罚起诉的案件，绝大部分是检察机关建议适用的。为此，本文以检察机关作为认罪认罚案件主导者的立场，从规范量刑证据收集与运用、精准提出量刑建议、合理拓展公诉裁量、充分开展认罪认罚协商、理性应对被追诉人反悔等检察机关面临的重要问题进行实证分析，论证检察环节作为认罪认罚司法化主导的职责重心。 最后，在深化司法体制改革背景下，本文就检察环节落实认罪认罚从宽制度的适正性路径进行了分析。一方面从检察机关的客观公正立场出发，对提升认罪认罚从宽制度的适用质量和效果、依法履行公诉职责严格诉讼证明、强化防范冤假错案的廉政风险机制等方面提出了有建设性的意见；另一方面提出优化实体规范与程序规范的衔接方向和立法完善的几项举措，并尝试从办案机制司法化的角度提出完善不起诉公开审查和公开听证机制、不起诉后检察权运行机制、量刑建议的智慧精准辅助机制等，深入推进司法体制相关配套性制度改革。

Greater pleaded guilty to forfeit their system is criminal procedure law amended in 2018 formally established a lawsuit system, procuratorial organs in apply of this system play an important role, its experience and problems also have distinctive local characteristics, from the empirical study of procuratorial tache in the system, the criminal policy, theory and practice significance.This paper discussed the pleaded guilty to forfeit their empirical research from system theory, policy and reality basis, including traditional judicial culture and Chinese culture gene, collaborative doctrine lawsuit mode structure, the concept of restorative justice, as the system of criminal litigation theory and the judicial policy guidance function of tempering justice with mercy, To explore the legal basis and practical needs of the system of leniency for pleading guilty for richer and more open expansion.Secondly, the important purpose of empirical research is to find problems, analyze problems and solve problems. This paper starts with the overall situation of the case of leniency of guilty plea and the application of various charges in G province to conduct an overall investigation of practice samples, and uses comparative analysis and logical analysis to sort out and summarize the application effects, difficulties and problems of this system in judicial practice with data and ratios. At the same time, this paper adopts the method of case analysis to select three typical cases in which the procuratorial organ in G province handles the case of leniency of guilty plea, highlighting the performance of the procuratorial organ and the application process of guilty plea, and on this basis, it explains the research significance of centering on procuratorate.Thirdly, the leading role of the procuratorial organ in the litigation process of the case of leniency of guilty plea, especially the pretrial procedure, is particularly prominent. From the viewpoint of the system operation, the majority of the cases that apply guilty plea prosecution are recommended and applied by the procuratorial organ. Cases in this paper, the procuratorial organs as pleaded guilty to forfeit their dominant position, from how to regulate sentencing evidence collection and utilization, how to accurately sentencing suggestion, how to reasonably develop public prosecution discretion, how to fully carry out pleaded guilty to forfeit their negotiation, how to rationally deal with being prosecuted people out of procuratorial organs such as the important problems facing the empirical analysis, It is demonstrated that the procuratorial link should be the focus of responsibility of the judicalization of guilty punishment.Finally, under the envirionment of strengthening the reform of the judicial system, this paper analyzes the proper path of the implementation of the system of leniency for guilty plea in the procuratorial link. On the one hand, from the objective and impartial standpoint of the procuratorial organs, the author puts forward constructive suggestions on improving the application quality and effect of the system of leniency of guilty plea, fulfilling the duty of public prosecution according to law and strictly proving the lawsuit, and strengthening the mechanism of clean government risk to prevent unjust, false and erroneous cases. On the other hand put forward to optimize the entity norm and procedure norm direction and legislation of several measures, and tries to from the Angle of the working mechanism of judicial Suggestions to consummate the mechanism of not to Sue public scrutiny and public hearings, procuratorial mechanism after not to prosecute, the wisdom of the sentencing recommendations precision auxiliary mechanism and so on, deepen the reform of complementary systems for the judicial system.