As a popular digital technology at the moment，Blockchain has a series of high-quality features，such as multi-center，open and transparent，non-tamperable，etc.. Also it is integrated with the basic technologies of consensus mechanism，distributed data storage，point-to-point transmission and encryption algorithms etc. Supply chain traceability is one of the most important application scenarios of Blockchain technology，which helps to solve the problems of information asymmetries，data sharing difficulties，commodity verification hardness，credit transmission difficulties and so on in the traditional supply chain. Blockchain helps participants in the whole chain，such as producers，channel providers，logistics providers and retailers to reduce transaction costs，improve synergy efficiency and avoid counterfeiting actions，while also improving the consumer experience of end users.