AbstractThis study focused on the adolescent’s anger, and efforts to manage the emotion of anger. This research used expressive therapy by writing about emotional experience that aims to help adolescents able to express their anger and as a medium of catharsis. The research design was a single group design with “one group pre-test and post-test experimental” method. Participants who attend this research are eight male, with age between 16 to 21 years and had high scores on STAXI Scale. Participants were asked to write down their emotional experiences in a book. The result of the Wilcoxon Signed Ranks Test showed a significant decreasing in participant’s anger after writing session. The results show that writing an emotional experience in expressive therapies able to reduce the emotion of anger in adolescent.Keywords: anger, emotion, writing emotional experience therapy.