Abstract
The objective of this study is to acquire the conditions for rehabilitation of the mental illness. The contents of this paper are as follows ; 1. Introduction. 2. Outline of the investigations. 3. The physical environments, the causes and the other conditions of the patients when leaving hospital. 4. The comparison between the patients having leaved mental hospital and the ones not. 5. Some problems to leave mental hospital and some concerning the living conditions in the community. 6. conclusion.