Beijing，as an important position in the cause of science and technology in China，has been committed to the development of science and technology，exceeding the “Beijing Twelve Five Plan” set goals，It has made important contributions to the national science and technology development. The science fund is an important and vigorous guarantee for the development of popular science. These reports analyzed the current situation of popular science expenditure in Beijing and find out the weak subject though the gray relation model about links between fund and popular science work in Beijing. Its aim is to find out the problems and given the solution of the development of popular science.