The paper is to understand the present situation of smart science popularization of urban community residents under the background of smart community construction and community science popularization informationization, master the expectations of urban community residents in terms of popular science channels, contents and forms, and then explore the effective ways and methods to realize urban community smart science popularization and accurate science popularization. Through statistics on 849 questionnaires nationwide, the results show that:the residents' demand for popular science is concentrated on the level of survival and life, the residents use smart platforms frequently, the residents obtain limited knowledge of popular science from the community, the satisfaction of community science popularization needs to be improved. Therefore, guided by the needs of residents, it is necessary to provide intelligent and accurate services, innovate the forms and channels of community science popularization, perfect the two-way interaction mechanism between community and residents, and integrate the popular science resources of social organizations and units under the jurisdiction.