This study aimed to investigate the impact of negative parenting styles on problematic mobile phone use among college students, as well as the chain mediating role of adult attachment and fear of missing out (FoMO). The short-form EMBU, Experience in Close Relationship Inventory, Fear of Missing Out Scale, and Mobile Phone Addiction Index Scale were completed by 1002 college students. Results showed that parental rejection and overprotection were positively correlated with college students' problematic mobile phone use. The chain mediating effect of attachment anxiety(or attachment avoidance) ...