Abstract: The adoption research for the elderly lacks in-depth analysis of the service features, Inability to grasp the current characteristics of elderly user’s adoption of smart ageing applications from a service-led value logic. This paper analyzes the interview through grounded theory, finds the concept of service atmosphere. On this basis, questionnaires were distributed to the elderly in Shenzhen, Shanghai and Chengdu, and the data were collected and analyzed by SEM. The results show that service atmosphere and satisfaction are the two variables that have the greatest direct effect on adoption intentions; and perceived risk has no significant relationship with adoption intentions; adoption intention has a significant impact on adoption behavior;satisfaction partially mediates the effect between service climate and adoption intentions.The research identifies and confirms the effectiveness of service factors, expands the scope of the research, and provides a new direction for future research.