Abstract: A farmland information acquisition system based on Internet of Things was realized by means of comprehensive utilization of sensor technology and network communication technology.Through the layout and installation of related hardware，real-time acquisition of monitoring information was realized，such as farmland weather，soil，hyperspectral data，video，users were allowed to view field situation at any time on computers and mobile devices.The system provided data support for agricultural production，and had a good application prospect in accurate monitoring and scientific management of modernization farmland information.