Abstract: 【 Purpose/significance】 To explore the ways in which social media users express emotions and the impact on society, investi⁃ gating the potential of social media as a scope for social observation, and providing corresponding perspectives and experiences for in⁃ formation dissemination and governance in the context of new media. 【Method/process】 Guided by symbolic interaction theory, this study used text analysis to discuss female users' comments on social media platforms, summarized the changes, characteristics, and meanings of female users' terms of address, analyzed emotional expressions among female users, and the reshaping of social gender concepts. 【Result/conclusion】 The study found that terms of address among female social media users can be categorized into three types, each conveying different meanings and emotional intensities. Self-presentation is a significant way for female users to express emotions, breaking traditional social gender concepts from the perspective of social division of labor. Symbolization is a practical path⁃ way for emotional expression among female users.【 Innovation/limitation】 This study explores the role and manifestation of symbolic interaction theory in self-presentation on social media, offering experiential exploration for observing social emotions, activities, and participation in social governance among social media platform users.