Children & Youth Science Center of CAST is a non-profit organization. The center is engaged in the spread of science knowledge for adolescents and the public, organization of pilot science activities as well as science contests. As a non-governmental organization of scientists and engineers, CAST performs its obligations according to Law of the People’s Republic of China on Popularization of Science and Technology and Outline of National Scheme of Scientific Literacy for All Chinese and considers the promotion of public understanding of science and the enhancement of science literacy as its missions. And Children & Youth Science Center is a driving force of CAST for the adolescent science education and the popularization of science and technology. Since the 1970s, Children & Youth Science Center has developed various science education activities for adolescents in order to cultivate their interest in science, build up scientific mind and spirit as well as promote their science literacy as the future citizens. In 2006 the State Council (the Cabinet) of China promulgated Outline of National Scheme of Scientific Literacy for All Chinese, having higher requirement for science dissemination. Meanwhile Children & Youth Science Center of CAST added another name-Science Communication Event Center. Having the two names, the center enlarged its functions from organizing science educational activities for adolescents only to conducting some important large scale science communication activities for both adolescents and adults. All these activities generate great influences around the country.