This paper explains the concepts, such as public sports service, and socialization of extracurricular sports activities in primary and secondary schools, and analyzes current issues concerned with it. It suggests that the socialization of extracurricular sports activities in primary and secondary schools shall build the four-in-one structure and function combined system with administrators, information management system, cooperative organization and ways of cooperation, and student health foundation card included. It shall build a good relation of public benefit subject and the operational process among the systems. It shall also understand that the interaction between the governments and the social organizations is the major premise for the socialization of extracurricular sports activities in primary and secondary schools.