Abstract: Since the new century the three agricultural work attracted national attention, new requirements were put forward about modern agriculture development. We pointed out the important significance of agricultural science and technology service and compared similar research achievements.This paper also analyzed the recent situation of Jiangsu agricultural science and technology services. Existing problems were proposed on institutions, personnel, service capacity, service performance, and some suggestions were presented. Such as integrating mechanism, personnel training, creating the service mode, expanding the scope of services and the policy financial guarantee. The study had a strong reference value in the development of China's science and technology service and contributed to the reconstruction of China's modern agricultural science and technology service system, it also improved the overall strength of agricultural science and technology services.