This study investigated the effects of group art therapy on the daily stress, depression, and anxiety of shelter-resident children. The participants were 6 children residing in M shelter who agr eed to participate in the study. They were assigned to an experimental group. Another 6 children in similar circumstances at the shelter who did not receive group art therapy were assigned to a control group. The therapy consisted of 16 sessions, once a week, 60 minutes per session. Scales measuring the level of their daily stress, depression, and anxiety were administered to the two groups before and after the therapy program to test the effects of the therapy program. Data were analyzed using Wilcoxon signed rank test, nonparametric statistics and Mann Whitney U test on SPSS WIN 14.0. The findings of this study are as follows. First,group art therapy had significant effects on reducing the stress of the participants. Second, group art therapy had significant effects on reducing the depression and anxiety of the participants. These findings support the positive effects of group art therapy on reducing the stress, depression, and anxiety of shelter-resident children. In conclusion, providing shelter-resident children with group art therapy is expected to help shelter-resident children reduce their stress, depression, and anxiety, thus enabling them to maintain and improve their mental and physical health.