This paper discussed the Japanese public sports service system，found that the Japanese public sports service has the following characteristics：After the World War 2，the Japanese government carried out policies and regulations to construct the public sports service system，Invest a lot of money to construct sports facilities for schools and republics every year；According to the social demand，the government encourage a variety of nonprofit organization and social public to take part in sports public service.The sports facilities are placed reasonable，the difference between urban and rural areas is small.The sports facilities are high open rate，high utilization rate，high quality of service and free or low fee.The Japanese sports associations and clubs are independent management，self management.The Japanese public sports service system has strict instructor training and appointment mechanism.