This study aimed to search on the lifelong education management experience of welfare center workers for people with developmental disabilities. For this purpose, this study collected the data through deep-interviews of five welfare center workers in Kyunggi-do. The data analysis was progressed by qualitative case study method to generate conceptualization, encoding, subtopic and core theme. The result that made through coding process was as follows. First, The meaning of lifelong education for people with developmental disabilities who the workers recognized, appeared as not teaching but doing together, academic competence improvement and basic refinement skill, start to the world, self-help meeting and Parteienprinzip. Second, Relation of Act for people with developmental disabilities and lifelong education management system of the welfare center appeared as increasing requests, efforts for participation expanding of people with severe disabilities and user custom service. Third, Role identities of the workers appeared as discussion of lifelong education to be excluded the workers, management based on parents requests and cooperation. In conclusion the experience on lifelong education for people with disabilities of welfare center workers appeared as difficulty of management, disappointment on excluding from lifelong discussion and necessity of cooperation.