The invention belongs to the technical field of agricultural product traceability management, particularly relates to an agricultural product traceability management system based on a block chain, and provides the following scheme for solving the problems that a traditional agricultural product traceability system does not inspect the physical state of a worker, the health state of the worker cannot be ensured, and information cannot be deleted and managed. The system comprises an Internet platform, a query platform, a product information module, a processing information module, a logistics information module, a sales information module and an information deletion module, the query platform is connected with the Internet platform, the product information module, the processing information module, the logistics information module, the product packaging module, the sales information module and the information deletion module are all connected with the Internet platform, and the product information module comprises a planting unit, a growing unit and a maturing unit. The system is convenient to operate, can inspect the physical state and identity of a worker, and can automatically store or delete agricultural product information.