As a large agricultural country, agriculture has always been the basic pillar supporting the construction of national economy. In order to improve the production efficiency of agriculture and the utilization of water resources, with the development of science and technology, the access of information technology has become widely used in agricultural development production lines. Sharp blade. Firstly, this paper introduces the development situation and status of the Internet of Things in China, highlights the superiority of the Internet of Things in the new era background, and clarifies the current stage of agricultural irrigation based on the current situation and needs of the domestic domestic irrigation field. A number of issues in the field, a brief description of the decisive role of the Internet of Things technology in the agricultural system.