Juniper publishers- Journal of complementary medicine Abstract The purpose of this study is to identify event shock, anxiety, occupational and social functioning, and electroencephalogram (EEG) changes by conducting clinical art therapy (CAT) immediately after participants experience traumatic events. This study involved 100 firefighters from Seoul Metropolitan Fire and Disaster Headquarters in South Korea. During field activities, firefighters who experienced or witnessed two or more deaths, child death, the death of fellow firefighters, life-threatening accidents, suicide incidents, or assault were targeted. From June 1 to December 31, 2015, researchers visited the fire stations to conduct a group survey and CAT sessions. Each CAT session lasted 60 minutes, and two sessions were provided. As for the test tools, a questionnaire regarding the traumatic event, along with EEG, impact of event scale-revised (IES-R), Beck Anxiety Inventory (BAI), social and occupat...