This study was aimed at investigating the effects of group art therapy using positive psychology on
depression and life quality in the mastectomy patients. To do this study, all 20 subjects of mildly depressed
patients, scoring a total of 10 to 23 at the BDI test for mastectomy patients diagnosed as breast cancer from
2012 to 2014 at the K Hospital in the S city, were randomly assigned to each one of control group and test
group in the same number. A total of 12 sessions was performed for 100 minutes per each session, once a
week from June to September 2014, except the pre- and post-test. Research tools such as the Beck
Depression Inventory (BDI) and the Questionnaire of Life Quality (QOL) were applied, and the SPSS 18.0
program was used for statistical analysis. And ANCOVA was also used to see how this program affects
both the pre-test and post-test of the BDI and QOL between the control and experimental group. The
contents of each session were analyzed through voice recording and observations. The results from this
study are as follows: firstly, this group art therapy showed a significant effect on reducing depression in
mastectomy patients. Secondly, this group art therapy played a positive role in enhancing quality of life in
all mastectomy patients joined. Finally, with the progress in the sessions, all of mastectomy patients joined
have directly seen their own depression through this art therapy using positive psychology and have
gradually improved quality of life for themselves.