Group analysis will promote members to develop themself through intersubjective transaction. This study sought to find how the groups have effect on the reconstructing the illness experience of mental illness patients. The authors, as facilitators of the group, used participant observation to conduct group. The process of inpatient groups was and transcribed verbatim. There are 10 group sessions. Each group holds on 50 minutes weekly. At the same time, a field diary was recorded. Themes were generated from both data sets using constant comparative analysis. There are three themes related with self in the group: catharsis, projection, and self-transcendence