This study was undertaken to discuss the sport and physical activities in the State of Ohio for the acceleration of the modern societies. The implications of the study are as follows; 1.Each state has enacted social sport promotion law for the welfare of the people by means of various social sport and physical activities, thereby enhancing the national development, the good use of leisure time and health care of the people. 2.Social sport and physical activities in America and Korea 1) Americans particpate directly and/or indirectly in the social sport and physical activities related to a variety of social sport organizations. 2) In Korea, great emphasis on the activities for leisure and recreation is put for the solution of difficulties confronted by employees, which results in the improvement of their productivities. 3.The level of interest in sport and health of Americans 1) 96.5% of the Americans take part in sport and physical activities for the management of their health. 2)Their favorite sports are American football,baseball,basketball,and Oriental martial arts. 3)28.4% of them enjoy the workshop sport, which is due to their living and eultural environment.