This paper aims to explore the application of context awareness in the elderly endowment care service model, satisfy the personalized needs of the elderly, and improve the efficiency of resource allocation and user experience of elderly-care institutions to promote the continuous innovation and development of institutional elderly care service models. Firstly, we sort out the development of context awareness theory and the process of context awareness services and summarize the current characteristics and problems of institutional elderly care services; secondly, we take context awareness as lead to intervene in institutional elderly care services advantages and characteristics, divide the service situation factors of institutional elderly care services into four categories:users, environment, tasks, resources, and summarize the needs of users using methods by desktop research and user interviews; finally, based on the above four context factors of design strategies, we construct the framework of institutional elderly care service system. The application of context awareness theory to institutional elderly care services strengthens the system's contextual information perception ability, excavates the needs of users in dynamic situations from a multi-dimensional perspective, and proactively provides users with targeted services to reduce user operational burdens and improve the user experience of elderly care services.