School and family are the main factors affecting youth sport. With strong promotion of the state and joint forces of all sectors of society，the environment of youth sport has been significantly improved in recent years，which is shown as follows：The policy system of school sports has been constantly improved，and the reform of school sports work has been totally accelerated；sports venues and facilities have grown quickly in both quantity and quality，and they are gradually open to the public；the content and forms of family fitness activities have been enriched；the policy，system and organization which guarantee the development of disabled youth sport have been further improved.