Adolescents are an important audience for science popularization work. The scientific literacy level of adolescents is directly related to the quality of national innovative talent training and the level of scientific and technological innovation development. This paper comprehensively introduces the current situation of Beijing youth science and technology activities from the aspects of Beijing youth science and technology activities and science and technology venues. From the aspects of the subject，form，funding and evaluation of youth science popularization work，compare it with foreign youth science popularization work，and combine the excellent experience and successful cases of foreign youth science popularization work. Develop an innovative path for youth science popularization work suitable for Beijing，and put forward constructive suggestions for improving the innovation and internationality of Beijing youth science popularization work.