Based on the investigation and analysis of the status treatment of elderly diabetics in Shanghai, it puts forward the service design thinking and methods to establish the service strategy for the community treatment of the elderly patients with diabetes in Shanghai. Based on literature research and field investigation, it puts forward the service design strategy, analyzes the process of the design prototype "simple sugar" concept and the use of tools, and according to the prototype demonstrates the feasibility of strategies and concepts. It proposes a strategy of service innovation that the community as a long neglected treatment of senile diabetes services scene, which is defined as the patient from the "user" to health seeker; the treatment of elderly diabetic patients as a global servicescape. With medical language visualization, communication and understanding mistakes caused by information asymmetry is dissolved to improve the service quality of community diabetes treatment and stimulate vitality of community healthcare service.