The Purpose of this study was to examine the effectiveness of group art therapy program based on relation-reminiscence for old lady on ego-integrity. The participants of this study were 6 old ladies who had lived at day care center in U city. This program lasted from March, 2010 to October, once a week for 22 sessions at the counseling room in the day care center. Research tool was ego-integrity scale and analyzed by Nonparametric Statistics Analysis Wilcoxon signed-ranks test. Pre-ego-integrity score was compared with post-ego-integrity score. Second research tool was K-HTP and before K-HTP was compared with after K-HTP, was analyzed. Third, the program was divided into 4 steps for observing their attitude, and was analyzed by both individual side and interaction. The conclusion of this study are as follows; First, there was the positive change on ego-integrity score. Second, the results of before and after K-HTP comparison had the positive changes on development step and content elements. The last, the results of the comparison between the observed attitude step by step, the negative attitude was changed into the positive in individual side and the negative, disapproval of attitude was changed into the receptive, communal attitude in interaction side. The group art therapy based on relation-reminiscence was effective on the ego-integrity for old ladies, but the study has the problem of generalization, so further studies through a variety of method are needed.