等离子电解抛光（PeP）是一种创新技术，用于获得低粗糙度和高光泽度的金属表面。近来，其优点包括高效，无结构选择性和低污染。PeP广泛用于航空航天，生物医学，精密仪器和3C电子行业。本文的主要目的是从宏观和微观机制的角度介绍PeP技术的基本原理。因此，总结了抛光过程的典型特征和现象。详细讨论了影响表面质量和材料去除率的主要控制参数。这些包括治疗时间，电解质，电源和电压。此外，还分析了适用于各种几何形状零件的电解质喷射抛光方法。最后，对精选难加工材料的PeP表面处理进行了综述，然后作者对PeP技术的前景进行了深入的了解。这篇综述可以作为研究人员系统地了解PeP技术的合适而有效的指南。

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Plasma electrolytic polishing (PeP) is an innovative technology used to obtain metal surfaces with low roughness and a high gloss. Its advantages, which include high efficiency, no structural selectivity, and low pollution, have recently attracted much attention. PeP is widely used in aerospace, biomedical, precision instrumentation, and 3C electronics industries. This paper primarily aims to introduce basic principles of PeP technology from both the macro- and micro-mechanism viewpoints. Accordingly, the typical characteristics and phenomena of the polishing process are summarized. The primary control parameters which affect the surface quality and material removal rate are discussed in detail. These include treatment time, electrolyte, electrical source, and voltage. Furthermore, the electrolyte jet polishing methods applicable to parts with various geometries are also analyzed. Finally, the PeP surface treatment of selected difficult-to-finish materials is reviewed, followed by the authors’ insights into the prospects of PeP technology. This review can serve as a suitable and effective guide for researchers to understand the PeP technology systematically.