Agricultural trade chain uses the characteristics of multicenter credit, safety, reliability, effectiveness and low cost of blockchain to provide supply chain traceability services for individuals, enterprises, logistics enterprises, supervision distributors, retailers, e-commerce and consumers of manufacturing enterprises, and to build a high-quality brand ecological chain: two-way product tracking, auxiliary anti-counterfeiting, real-time collection and sharing of key information of supply chain, so as to improve circulation efficiency to realize a win-win organic market operation system.