This research is the descriptive study to search `the recovery experience of the chronic mental patients joining vocational rehabilitation programs` through Grounded Theory Methodology. The participants were confined within the chronic mentally ills who have already had jobs for those 6 months before researching time. As the data collection in Grounded Theory methodology should be continued till the saturation of data. finally the 9 men were selected as the subjects of data analysis. The following semi-structured questions were used: `What is your recovery experience?` `What changes in your daily life do you feel between before and after participating in vocational program?`, `What do you think the recovery means?`. The Basic Socio Psychological Problem(BSPP) of the recovery experience is `indulging in symptom easily.` The Basic Social Process(BSP) to solve it is `becoming a normal`. The steps of `becoming a normal` are as followings: `throwing in social situation`. `preoccupying with the past`, `self-striving`, `self-controling`, `self-inspiring`. Each step represents the recovery experiences of the chronic mental patients in vocational rehabilitation. The meaning of `normal` to the chronic mental patients means that they are expected to work without any problems, act with responsibilities and become nice persons. Extensive understanding of the recovery experiences will provide the detailed information for promoting recovery process of the chronic mental patients. This research, which stresses how important it is to understand subjective experiences of the subjects s a way to improve the quality of life of chronic mentally ills, can be annexed to nursing intervention for promoting the recovery process of chronic mental ills. The more the empirical world of a subject we understand, the more effective human relations we can formulate, and ultimately improve the quality of mental patients` life. Investigation of each step of the recovery experiences and development of the concept are required through the successive research.