Y2k “refers to the cultural and fashion era from the late 1900s to the early 2000s, which was the intersection of the old and new centuries. Y2K culture is characterized by vivid colors, strong technological and futuristic feelings, reflecting the cultural and aesthetic characteristics of the late 1900s to early 2000s. With the continuous development of new media technology, “ y2k “culture has also entered our field of vision at an extremely fast speed and in different forms, forming a new fashion trend. This article starts with the dissemination methods and effects of “y2k” on social media, to understand how Y2K culture forms fashion trends through social media.The article use literature research and case analysis methods, 10 literature related to Y2K culture were selected through databases such as CNKI and Web of Science.Although there have been studies on various aspects of Y2K culture design, there is still a lack of in-depth research on its dissemination methods and effects on social media. There is no systematic analysis and explanation of the practical significance of Y2K style in forming fashion trends.
