The science popularization at the grass-root level is basic for the whole science popularization career in China. As the development of society, politics and economy, people have deep understanding of science popularization. The science popularization changed from a traditional form to a modern one, its object changed from a single one to a group, and its contents changed from science knowledge to quality improvement. There are many problems in science popularization at the grass-root level nowadays. We analyzed the problems and proposed some countermeasures and suggestions.