Popular science is short for popularization of science and technology. Human scientific and technological activities include two aspects: one is the research and development of science and technology; The second is the spread of science and technology and the cultivation of talents. Therefore, popular science is an important part of scientific and technological work. Popular science is to spread the scientific knowledge, scientific methods, scientific ideas and scientific spirit developed by human beings to all aspects of society through various ways and channels, so that they can be understood by the public, thus developing intelligence, improving quality, cultivating talents, developing productive forces, making the public participate in the decision-making activities of science and technology policies, and promoting the material civilization and spiritual civilization of society.