Abstract: Frailty in the elderly has become one of the serious global public health problems, hindering the realization of healthy aging. There is an urgent need for early identification and effective intervention of frailty to improve the health status of the elderly and reduce the burden of disease at the individual and health system levels. At present, the rise of medical big data provides ideas for the development of new frailty tools. This paper summarizes the electronic frailty assessment tools developed based on medical big data and their research status, and analyzes their advantages and limitations, to provide reference for clinical research and practice.