中国科协青少年科技中心（科普活动中心）是中国科协所属社会公益性机构，从事向青少年和社会公众传播科学，开展示范性、导向性科学普及活动，组织青少年科技竞赛的工作。中国科协作为中国科技工作者的群众组织，认真履行《中华人民共和国科学技术普及法》和《全民科学素质行动计划纲要》赋予的重要职责，把促进公众理解科学提升科学素质作为自己的重要使命。中国科协青少年科技中心（科普活动中心）是中国科协开展青少年科技教育、向公众进行科学技术传播的重要力量。
自上世纪七十年代以来，中国科协青少年科技中心在青少年中开展了多种多样的科技教育活动，这些活动旨在培养年轻一代对科学的热爱，使他们树立科学的思想和精神，提高未来社会公民的科学素质。2006年国务院颁布了《全民科学素质行动计划纲要》，对科学普及工作提出了更高的要求。中国科协青少年科技中心同时成为中国科协科普活动中心，担负组织面向广大社会公众的科学普及活动的任务。中国科协青少年科技中心（科普活动中心）进一步扩大了自己活动的领域。这些活动在全国范围产生了很大影响。
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.