The sharing of scientific data is a problem that attracts worldwide attention. In answer, governments have started to establish many systems to provide the public with scientific data. However, sometimes the access does not consider the public's practical need but just stands as an "official" prototype. In this research, a questionnaire was devised to understand a Beijing citizen's practical need for scientific data and to explore the inconsistency between the needs of the public and the information published by the government. The research looks to find a more effective way to solve this problem.