Plasma treatment in textile finishing is an innovative, eco-friendly approach that transforms traditional fabric modification methods. This chapter examines plasma technology, its advancements, and its applications in textile finishing. It provides an overview of plasma and its properties, detailing different types used in textile processing, including atmospheric and low-pressure plasma. The mechanisms behind plasma treatment are explored, particularly its role in modifying surface properties such as wettability, dyeability, and adhesion. The environmental benefits of plasma treatment, including reduced chemical and water usage, are also discussed. The chapter highlights opportunities for customization and innovation, paving the way for future developments in textile manufacturing. It concludes by addressing current challenges and future prospects, offering a comprehensive understanding of plasma treatment in textile finishing.