自2018年认罪认罚从宽制度适用以来，因认罪认罚从宽制度与上诉权存在矛盾，认罪认罚被告人上诉的情况就倍受实务界和学术界关注。由于认罪认罚案件可能包含被告人权利让渡、国家责任减轻等特点，为保障认罪认罚被告人权利，应对认罪认罚案件的上诉制度进一步健全，涉及是否设定上诉权、上诉权的限度、如何限制上诉权等。被告人上诉权的行使不仅是诉讼地位和诉讼权利的体现，而且对于维护司法公正具有积极作用。然而，不当上诉情形的出现会冲击甚至破坏控辩双方的合意，进而严重阻碍认罪认罚从宽制度优势的彰显。在权衡被告人上诉权利的保障与认罪认罚从宽制度价值追求之间的双重考量后，我国应针对认罪认罚从宽案件设立一种有限的上诉权。对于涉及认罪认罚的上诉案件，上诉审查制度应切实依据被告人的真实上诉理由来展开，由法院对上诉申请进行快速审查，并根据审查结果，作出是否准予上诉的合理决定。这一做法旨在确保上诉机制的公正性、高效性，同时维护认罪认罚从宽制度的稳定性，进而实现司法公正与效率的双重目标；与此同时，认罪认罚案件一审程序、二审程序的相关配套措施亦应加以完善。

Since the application of the plea leniency system in 2018, the appeals of guilty plea defendants have attracted much attention in practice and academia due to the contradiction between the plea leniency system and the right of appeal. Because the guilty plea case may contain the characteristics of the defendant's rights transfer, state responsibility reduction, in order to protect the defendant's rights, the appeal system of guilty plea case should be further improved, involving whether to set the right of appeal, the limit of the right of appeal, and how to limit the right of appeal. The exercise of the defendant's right of appeal is not only the embodiment of litigation status and litigation rights, but also plays a positive role in safeguarding judicial justice. However, the appearance of improper appeals will impact or even destroy the agreement of both sides, and then seriously hinder the display of the advantages of the leniency system of guilty plea. After considering the double consideration between the guarantee of the defendant's appeal right and the pursuit of the value of the system of leniency of guilty plea, our country should set up a limited appeal right for the case of leniency of guilty plea. For appeals involving guilty plea, the appellate review system should be based on the defendant's real reasons for appeal, and the court should conduct a rapid review of the appeal application, and make a reasonable decision whether to grant an appeal according to the review results. The aim of this practice is to ensure the fairness and efficiency of the appeal mechanism, while maintaining the stability of the leniency system, so as to achieve the dual goals of judicial justice and efficiency. At the same time, the related supporting measures of the first instance procedure and the second instance procedure of the guilty plea case should also be improved.