Youth Sport is the crucial foundation of national prosperity，ethnic thriving and the realizing of Chinese dream. With the improvement of relevant laws and regulations，the innovation of the youth sport organization system，the development of diversified sport activities，and the reform in cultivating reserve forces for competitive sports，youth sport helps set up the idea that “health comes first”. On account of this concept，youth sport takes on important responsibilities for the promoting school physical education，constructing youth sport organizing system，improving sport facilities，launching youth activities and competitions in a wide range，and cultivating competitive sports reserve forces. There is still a long way ahead in creating a favorable atmosphere for the development of youth sport in the whole society.