Objective To evaluate the effect of family doctor contracted service system in Shenzhen and explore the influencing factors for families to contract their family doctors. Methods A total of 480 residents were selected from 12 first-class community medical rehabilitation centers in Luohu, Futian and Nanshan districts of Shenzhen. The contents of the survey included the contracting status between the contracted and non-contracted residents, the utilization of four basic public health services, and the difference of satisfaction with community medical rehabilitation centers.Meanwhile, logistic regression was used to explore the important influencing factors of the contracted family doctors. Results The overall contracting rate of residents was 51.9% (248/478), and the lowest contracting rate was 23.1% (27/117) (P<0.05), found among patients under 40 years old.The utilization rate of contracted residents for growth and development examination, maternal health care as well as guidance of chronic disease prevention and treatment was higher than that of non-contracted residents ( P <0.05 ). fees and medical environment, service attitude,medical fees was higher than that of non-contracted residents(P<0.05).The satisfaction for convenience in medical environment, service attitude,medical fees and access to medical service was higher than that of non-contracted residents(P<0.05).The results of binary logistic regression analysis showed that age, education level, occupation ( retirement ) and chronic diseases were important factors affecting the signing of contracts.Conclusions The family doctors tend to be embraced by residents better than before. Family doctors contracted service system is conducive to improving the utilization rate of basic health services, acceptance rate of health services and satisfaction of residents. At the same time, the young population at large requires greater efforts before they can embrace the family doctor system.