Aiming at the problems of low trust of external agricultural products in the supply chain and lack of trust among internal members of the supply chain,this paper analyzes the solutions based on blockchain technology.The literatures of the existing agricultural supply chain are sorted out,the researches and application status of blockchain technology in traceable and trackable supply chain system are elaborated,and the consensus mechanisms applicable to the agricultural supply chain are analyzed.The current challenges are summarized,and the future development directions are pointed out.The research shows that blockchain technology can build consumer confidence in the supply chain of agricultural products and enhance trust among enterprises in the supply chain.