Schizophrenia is characterized by maladaptive symptoms that distort reality, and the core goal of ambulatory treatment is to relieve symptoms and return to society. The purpose of this study is to examine the experience that schizophrenic patient in group art therapy for sociality improvement and the meaning of such experiences. For this purpose, a case of group art therapy for sociality improvement of schizophrenic patients was selected and applied qualitative case study method. Group art therapy conducts in 13 sessions, twice a week for 60 minutes from August 09, 2018 to October 04, 2018, and participants was consisted of 1 male man and 5 women diagnosed with schizophrenia. The conclusions of this case study are First, the group art therapy experience for research participants means that they tried to express their emotions and thoughts that were isolated. Second, the research participants started to interact with others who had been cut off based on the experience of group art therapy, and they actively interacted in daily life as well. Third, positive social interaction experience in group art therapy gave hope to the participant in relieving symptoms of sudden illness and returning to daily life.