Abstract: Based on the basis of grounded theory, the present study conducted a qualitative analysis using NVivo software, to explore the antecedent mechanism of cyber-ostracism. The analysis encompassed research papers, in-depth interviews, and social media posts. The results showed that attribution tendency towards the excluder is a crucial factor influencing cyber-ostracism within the online interaction context. Notably, individuals with a high image consciousness might exhibit strong rejection sensitivity, making them more prone to negative attribution and falling into self-denial. This, in turn, leads to an increase in negative emotions, thereby exacerbating cyber-ostracism. Conversely, increasing sense of appreciation, high quality real-life interpersonal relationships and a close real-life relational distance with interaction partners can reduce negative attributions towards the excluder, helping to alleviate or prevent cyber-ostracism. Additionally, network development, network characteristics, and usage characteristics also contribute to the occurrence of cyber-ostracism to a certain extent. The findings of the study not only provide a theoretical research framework for subsequent empirical research but also offer valuable insights for addressing issues of cyber-ostracism.

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