Abstract:This study focuses on promoting the agricultural supply-side structural reform by agricultural comprehensive development. Firstly, the paper briefly introduces the basic functions and achievements of agricultural comprehensive development, and the important role that can be played in the agricultural supply-side structural reform is analyzed from the aspects of infrastructure construction, supporting characteristic industries, fostering new type subjects, and promoting ecological management. Secondly, this paper mainly expounds the significance, concept, and main ideas of agricultural comprehensive development promoting the pastoral complex. Finally, based on the role that the science and technology play in the agricultural comprehensive development, a suggestion is given that "storing grain in ground" and "storing grain in technology" should be closely integrated, also, ties and cooperation with Chinese Academy of Sciences should be strengthened, so then science and technology could be better used to accelerate the agricultural comprehensive development, thus actively boosting the agricultural supplyside structural reform.