The community science popularization concerns the improvement of residents’ life quality, the improvement of the universal scientific and cultural qualities, and the building of a harmonious socialist society. However, at present, there are still some problems in community science popularization of China, such as unclear goals, one-sided understanding of the content, poor mechanisms and inaccurate positioning of science activities. To solve the problems, it is needed to strengthen the publicity of community science popularization, enhance the role of the community’s committee and residents, innovate science community system, and accurately grasp residents’ needs.