Technological developments in recent years have enabled individuals to participate in digital leisure activities for different purposes. This situation can have negative consequences when the duration and frequency cannot be controlled in terms of time management. The aim of this study is to test the effects of digital leisure participation purposes on fear of missing out and nomophobia. In line with the model created, it was aimed to test the effects of digital leisure participation purposes on fear of missing out and nomophobia; and the effect of fear of missing out on nomophobia. The relational screening model, which is one of the quantitative research methods, was used in the study. 363 females (%69.1) and 162 males (%30.9) were included in the study, where university students constituted the sample group. Pearson Correlation test was applied in order to test the relationship between the concepts. CFA and SEM were used to test the research model. When the findings obtained in the study were examined, positive relationships were determined between digital leisure participation purposes, fear of missing out and nomophobia. Digital leisure participation purposes are predictors of fear of missing out and nomophobia. In addition, it was concluded that the fear of missing out directly affects nomophobia. The results obtained are discussed in the discussion section together with other studies in the literature.