The invention discloses an analysis service system for health big data of home-based care for the aged. The system includes a portable physical examination device, a medical data acquisition module, a health assessment module, a health planning module, a medical science confirmation database, a central storage database and a query terminal. The analysis service system for health big data of home-based care for the aged provided by the invention obtains health condition data of the aged through the portable physical examination device, obtains diagnosis information of the aged by a medical institution through the medical data acquisition module, then judges a current health mode through analysis of the health condition data and diagnosis information of the aged by the health assessment module, and automatically recommends diet and exercise conditioning plans for the aged through the health planning module and medical science confirmation module, thus the aged can eat according to dietary structure advices, thereby realizing dietary therapy, appropriate exercise plan advances can be learnt, and thus exercise can be taken with pertinence, and the physique is improved.