This chapter takes Beijing，Shanghai and Shenzhen as examples to introduce the innovative practice and successful experiences of youth sport work. In Beijing，policies and innovative mechanism have been established to promote public service of youth sport，in Shanghai，the “double eight” policy combining training and education has been formulated to clarify respective responsibilities of sport and education administrative departments，and in Shenzhen，great importance has been attached to youth sport，and the role of amateur sports schools has been brought into full display to form a distinctive situation of youth sport training work.