Convicts during being kept in socializing institutions lose their freedom of mobility and accompanying sufferings such as the loss of opportunity to have sexual intercourse, of private rights, of getting goodness and help, of their secrecy from bad prejudice from society, and being suffered from infantilism. Convicts also have to do duties, to adapt themselves, to obey socializing institutions’ regulations and all regulations formed secretly which apply among occupants of socializing institutions beyond officers’ reach. In facing life which was hard and full of problems, part of convicts still had healthy mental conditions, who showed determination, survival, and even they helped their fellow convicts. In contrast, part of convicts suffered from unhealthy mental conditions, who showed desperation, apathy, and a condition of losing their life spirit, even there were some convicts who committed suicide in order to free themselves from their sufferings. Among factors assumed as having influences on the condition were the meaningfulness of life and the social support of the family. By the meaningfulness of life, convicts were assumed as being able to take the appropriate attitudes so that the tragic experiences could reduce; even they could produce deeper meaning. Blessing and valuable lessons could be taken from those incidents which help the process of maturity and give contributions to the goodness in the future. This research was a quantitative research which aimed at testing empirically the correlation between the meaningfulness of life and the social support of the family and convicts’ mental health. The subjects of this research were convicts of Kedungpane Semarang First Class Socializing Institution. The technique of taking samples used in this research was random sampling, namely a technique of choosing randomly the existing individuals (407 convicts). By using the technique, 104 convicts were chosen in this research.