Abstract:Aging population brings challenges and opportunities at the same time to the science and technology. Science and technology provides a broad market prospect for solving the problems of aging society, while analysis of the needs of older age groups has also drawn increasing attention to the market. Therefore, the paper carried out empirical study on old people"s demand for elderly welfare science and technology from four aspects of health, housing, communication, social participation health, housing, communication, social participation. In accordance with the analysis and summaries, this paper elaborates practical significance of the survey and presents corresponding countermeasures and suggestions to promote the development of China"s elderly welfare science and technology.