Objective To understand the utilization of integrated family medical care service by the home-based elderly in Hangzhou, to analyze the factors influencing the elderly people′s utilization of such service, and provide scientific basis for the improvement and optimization of integrated medical care services in Hangzhou and decision-making regarding elderly care services. Methods By convenience sampling method, 256 home-based elderly people who had signed the integrated medical care service agreement in 3 major urban districts (Shangcheng, Jianggan and Binjiang) of Hangzhou were selected as the research objects, and the general data questionnaire and a self-designed questionnaire on the utilization of integrated family medical care services were administered to them for investigation. Results The utilization rates of integrated family medical care services by the elderly was generally low, with utilization rates of only 5 services exceeding 50%.Multiple linear regression analysis showed that home-to-clinic distance, the number of chronic diseases and the monthly income levels were the main influencing factors on the utilization of integrated care services by home-based elderly people （P＜0.01 for all）. Conclusion The elderly people who had signed the integrated medical care service agreement had poor utilization of the services. It is suggested that the government and primary medical institutions further strengthen the publicity of the integrated medical care services and benefits, so as to change the elderly people′s medical-seeking viewpoints. The professional level of family physician services team needs to be improve through training, and the contents of integrated smart medical services are also in need of further optimization, so as to improve the utilization rate of integrated services by the elderly.