The invention discloses an agricultural informatization management system based on an Internet of Things. The agricultural informatization management system comprises a central processing unit, a power supply unit, a ZigBee coordinator, a plurality of ZigBee nodes, a sensor acquisition module, a video monitoring unit, a GPRS (General Packet Radio Service) communication device, an intelligent terminal, an intelligent control device, a data exchange system and an intelligent analysis module, wherein the central processing unit is electrically connected with the video monitoring unit, the GPRS communication device, the ZigBee coordinator, the intelligent control device, the data exchange system and the intelligent analysis module; the intelligent terminal is electrically connected with the central processing unit through the GPRS communication device; the ZigBee coordinator and the plurality of ZigBee nodes form a ZigBee network; the sensor acquisition module consists of the plurality of ZigBee nodes. The system disclosed by the invention is capable of realizing scientific, efficient and high-utilization-rate sustainable development and realizing functions of real-time data acquisition, monitoring, automatic control, alarm and the like.