The purpose of this study is to explore the understanding and significance of mobility experiences in social participation with severe spinal cord injury. Therefore three person with acquired cervical spinal cord impairment and three person with acquired thoracic impairment were selected as participants in the study, and in-depth interview was conducted. Based on the collected data, the significance of the study topics was analyzed. The topical analysis revealed that the mobility experience which is common among the study participants was largely classified in to ‘prison-like mobile environments’ and ‘mobility changes and new lives’, and organized again in to five categories; ‘the difficulty of the mobile environment , the movement is to the death , the unprofessional expert , the moment I became disabled , disconnection and connection and a new life . For the study participants, mobility has a significant impact on social participation and quality of life, and the changes in mobility after disability have a profound effect on mind, social daily life, profession, leisure life, and human relationships. In addition to the results of the study, a proposal was made for the most suitable ways to guarantee mobility rights for people with acquired spinal cord injury.