GRENTECH Smart Old-age Public Service Platform is to provide community-based home service and supported by institutions. It provides regional government with smart old-age management service, provides old-age institutions and communities with operation management service, and provides community elders with health management, behavior surveillance, cultural recreations, health care, and other services. GRENTECH smart old-age service puts entertainment as its core concept. On one hand, it tracks the health condition of old people and provides them with reasonable advices; on the other hand, more affective attention is given to them to improve entertainment interaction, so as to provide them with medical service and a happy life in their later years.