隨著現代社會的發展，新型犯罪與犯罪率亦隨之增加，導致我國刑事案件審判之負擔繁重、司法從業人員過勞及法院工作負荷沉重等問題。刑事訴訟程序的拖延與冗長，不論是金錢或時間的花費，對於當事人而言都是沉重的負擔，縱使最後能換得遲來的正義，但已經造成無法彌補的損害。如果案件不分輕重，繼續堅持完整的通常審判程序，法院恐怕陷於癱瘓的困境，無法集中司法資源。上述議題突顯了我國刑事訴訟需簡化、快速終結的必要性。 雖然在我國刑事訴訟法正式引進「第七編之一協商程序」之前，實務運作上早已存在諸多「具備實質認罪協商精神」之替代機制，諸如緩起訴、簡易程序及簡式審判程序。但是我國刑事訴訟法自2004年增訂「第七編之一協商程序」以來，近六年實務使用比例逐步下滑，距離減輕司法資源損耗的目標尚遠。所以本文認罪協商之研究重點，聚焦在第455條之2以下所定之「第七編之一協商程序」為限。 首先，本文探討美國認罪協商制度之核心理論、實務運作、合憲性基礎及制度缺失，從當事人進行主義及起訴裁量主義之架構下分析，介紹美國認罪協商制度，並討論實務運作上所遭遇的問題，作為我國修法改革之參考。其次，本文從改良式當事人進行主義及起訴法定主義開始論述，並介紹我國刑事訴訟法「第七編之一協商程序」的制度設計、實務運作、爭議與利益及數據分析。最後，本文提出四項強化、一項落實之修法建議，期盼透過全面性的法制改革，建立透明的監督機制，使我國認罪協商脫離目前的實務邊緣，真正落實「明案速判、疑案慎斷」之立法精神，轉型為一個具效能且符合正義的刑事訴訟制度。;With the development of modern society， the emergence of novel crime types and rising crime rates have severely burdened the adjudication of criminal cases in Taiwan， leading to the burnout of legal practitioners and an excessive workload for the courts. Protracted and redundant criminal proceedings impose a heavy financial and temporal toll on the parties involved. Even if delayed justice is eventually served， irreparable harm has often already been inflicted. If the judicial system fails to distinguish between the gravity of cases and insists on applying the full， ordinary trial procedure universally， the courts risk gridlock， preventing the efficient concentration of judicial resources. These challenges underscore the urgent necessity for the simplification and summary disposition of criminal procedures in our nation. Prior to the formal codification of Part VII-1 "Bargaining Procedures" into the Code of Criminal Procedure， various alternative mechanisms embodying the substantive spirit of plea bargaining had long operated in practice， such as deferred prosecution， summary procedures， and abbreviated trial procedures. However， since the amendment adding Part VII-1 "Bargaining Procedures" in 2004， its utilization rate in judicial practice has steadily declined over the past six years， falling short of the legislative objective to mitigate the depletion of judicial resources. Consequently， the research focus on plea bargaining in this thesis is strictly confined to the "Bargaining Procedures" stipulated from Article 455-2 onwards. First， this thesis explores the core theories， practical operations， constitutional foundations， and institutional defects of the American plea bargaining system. Analyzing through the framework of the adversary system and prosecutorial discretion (the principle of discretionary prosecution)， this study introduces the U.S. plea bargaining system and discusses the dilemmas encountered in its practice to serve as a reference for legislative reform in Taiwan. Second， the discourse transitions to Taiwan′s modified adversary system and the principle of compulsory prosecution， introducing the institutional design， practical application， controversies， benefits， and empirical data analysis of the "Bargaining Procedures" under Part VII-1 of the Code of Criminal Procedure. Finally， this thesis proposes amendments consisting of "four enhancements and one implementation." It is envisioned that through comprehensive legal reform and the establishment of transparent supervisory mechanisms， plea bargaining in Taiwan can transition from its current marginalization in practice to fully manifest the legislative spirit of "expeditious adjudication for clear cases， meticulous deliberation for doubtful ones，" thereby transforming into an efficient and just criminal justice system.
