Aim: To study and analyze the application effect of intervention by the smart medical and elderly care team service mode for the elderly living at home and its impact on their quality of life. Method: From January to December 2024, 100 cases were randomly selected from the elderly living at home in the jurisdiction of community health service institutions. The groups were divided by odd and even numbers, and the control group received conventional nursing services. The observation group adopted the service intervention of the smart medical and elderly care team. Result: The analysis of the effect of nursing services on the evaluation of quality of life and behavioral status. The comparison of scores shows that the improvement in the above dimensions in the observation group is definite (P < 0.05). The incidence of risk events was lower in the observation group between the two groups (P < 0.05). The data were compared. The satisfaction rate of nursing services in the observation group was significantly higher than that in the control group (P < 0.05). Conclusion: Implementing nursing services for the elderly at home, the service intervention of the smart medical and elderly care team, on the basis of promoting the improvement of their quality of life, helps adjust the behavioral state of the elderly and effectively avoid risk events, and has a significant nursing intervention effect.