Objective To understand the current status of idol worship and fear of missing out in early adulthood and explore the relationship between them.Methods A total of 286 early adults were investigated by Celebrity Attitude Scale and the Fear of Missing Out Scale on internet.Results ① There was 58.0%(166/286)early adulthood in the stage of rational worship,the type of irrational worship was 42.0%(120/286).② Participation in idol worship related activities(23.2±5.4 vs21.0±6.3)would affect the score of fear of missing out(t=-3.00,P<0.05).③Idol worship in early adulthood had a significant positive correlation with fear of missing out(r=0.39,P<0.05),and idol worship could predict fear of missing out(β=0.10,P<0.05).Conclusion Early adulthood can directly affect fear of missing out,irrational idol worship will increase fear of missing out in early adulthood.