The popularization of science and the dissemination of science and technology are important means to enhance the scientific quality of the entire people. It is of far-reaching significance to study the use of big data technology to serve the dissemination of science and technology. This article analyzed the development opportunities brought by big data for the society and summarizes the achievements made in Beijing's science and technology dissemination during the 12th Five-Year Plan，It has included the current situation and existing problems of science and technology communication in Beijing，and explores how to use big Data technology to enhance Beijing's science and technology dissemination.