The object of this research is to investigate the effect of group art therapy on the self-esteem of the schizophrenic patients. The subjects for this reserah are six schizophrenic patients hospitalized in D hospital. The Program was composed of three steps: relaxing and self-introduction, selfexploring and self-esteem enhancing, interaction promotion and session finishing. Each session was 90minutes, once a week, totaling eight sessions. To find out the effect, the researchers analyzed self-reporting measures and LMT response characteristics before and after each session. The results are as follows: First, group art therapy enhances the self-esteem of schizophrenic patients and improves in the sub-factors of self-degradation, self-assertion and self-anxiety meaningfully. Second, group art therapy improved the LMT response characteristics concerning self-esteem and enhanced the ability distinguish the river and the road, integrative capacity, and capacity of expression of space sense. Third, schizophrenic patients exhibited self-expression and attention behavior in group art therapy process. Therefore, one can conclude that group art therapy is effective in improving the self-esteem and the LMT response characteristics of schizophrenic patients, though it is difficult to generalize the results owing to the limited number of research cases.