In order to explore the relationship between college students’ Fear of Missing Out and WeChat addiction, and focus on studying the mediating role of Ego-depletion in the relationship between the two. This study mainly used the questionnaire survey method and literature search method for research. A total of 931 undergraduate students from four universities in Guangdong Province were surveyed by using the Fear of Missing Out Scale, Ego-depletion Scale, and WeChat Addiction Scale. A total of 892 valid questionnaires were collected (228 boys and 664 girls), and data analysis was analyzed using Pearson's correlation analysis, regression analysis and other methods. The results showed that Fear of Missing Out significantly positively predicted WeChat addiction (P<0.001) and Ego-depletion (P<0.001), and Ego-depletion was significantly positively predicted WeChat addiction (P<0.001). Among them, Ego-depletion played a partial mediating role between Fear of Missing Out and WeChat addiction, with the mediating effect value accounting for 19.804%. This study confirms that College students’ WeChat addiction can be affected by Fear of Missing Out and Ego-depletion, which further clarifies the internal psychological mechanism of WeChat addiction, and has certain inspirational significance for the prevention and intervention of college students’ WeChat addiction.

Guandong Lai, Jiaojiao Li. The Relationship between College Students' Fear of Missing out and WeChat Addiction: the Mediating Role of Ego-Depletion. Academic Journal of Humanities & Social Sciences (2025), Vol. 8, Issue 8: 28-34. https://doi.org/10.25236/AJHSS.2025.080805.

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