Nomophobia is an important study in the digital era. Nomophobia is related to an individual's anxiety when they are away from gadgets and has an impact on daily activities. This study aims to empirically examine the effects of mindfulness and digital detox on nomophobia in adolescents. The hypothesis proposed in this study is that there is an effect of mindfulness and digital detox on nomophobia in adolescents. The subjects of this study consisted of 40 people. The analytical methods used is the paired sample T-test and covariate analysis.The results of the analysis showed that the study showed that there was a significant effect of mindfulness and digital detox treatment on the decrease in adolescent nomophobia. The changes were different from the two groups, with the value obtained t =-18.084; F value = 171,809; where p = 0.000 {p<0.05}. This shows that there is a significant effect of mindfulness and digital detox interventions on nomophobia in adolescents. After the intervention, the level of nomophobia in the experimental group was lower than the control group, so that the hypothesis in this study was accepted. This research has theoretical implications, namely, further exploration of how the factors that influence nomophobia, and the provision of significant treatments reduces the nomophobia.