Abstract: To meet demand of consumers for quality and safety of agricultural products, whole process traceability system of agricultural products was designed and developed．Based on three-tier organizational structure of internet of things, the system was designed, including equipment data collection, network data transmission, and system development．In the system, real-time tracing of agricultural products from planting, farming, harvesting, warehousing, transportation and other environments was realized, and a module integrated big data display platform was built to show consumers accurate information of agricultural products in an all-round way, establishing trust between supply and demand．It had further realized science and technology to help agriculture, and had inserted wisdom wings for development of internet of things agriculture．