This study provides the theoretical basis for the self-management of a sports center based on the core competence and technology of the future. The following conclusions were obtained. First, in the influence of self-management on the future core competencies, interpersonal management, training management, and physical management, the factors of self-management have a significant influence on cognitive, affective, and social factors of future core competence. Second, in the influence of self-management on the social skill scale, interpersonal management, training management, and physical management factors of self-management have a significant influence on the self-assertion, self-control, and cooperation of the social technology scale. Third, cognitive, affective, and social factors of the future core competence have a significant influence on the self-assertion, self-control, and cooperation of the social skill scale in the influence of the future core competence on the social skill scale. To improve the self-management and social skills of leaders by maintaining good relationships with the members including fellow instructors, it is essential to take appropriate measures for self-management behaviors considering the individual characteristics and environments of leaders; it appears that effort is important.