Health technology assessment is a systematic assessment of the nature and impact of health technology. It is a science that solves the problems of health intervention or health technology on society, economy, organization and ethics. Aiming at the current issues of availability, accessibility, affordability, rationality and safety in the field of medical devices, health technology assessment can systematically evaluate the characteristics, effects and impact of medical devices, and provide evidence-based basis for scientific decision-making. Starting from the current status and challenges of medical device management, this paper introduces the origin and development, basic scope, assessment process and main assessment content of health technology assessment, and introduces the application of health technology assessment in medical device management through case studies, so as to promote development of health technology assessment in the field of medical device management and make medical device management more scientific and standardized.