The invention provides an intelligent logistics system based on blockchain, and the system comprises an interface layer which is used for collecting information which mainly comprises the related information of a logistics enterprise, and enabling the collected information to be distributed at a data access port for information exchange; a data layer which is used for carrying out data processingand data storage on the data information, wherein firstly, the data passes through the data layer, a data analysis method is adopted for processing the data, a blockchain packages the data into blocksfor storage, and a user can inquire the data information through a data retrieval interface; a contract layer which manages contracts through intelligent contracts, wherein when transaction is completed, the nodes execute the intelligent contracts; and an application layer which is used for providing data statistics, decision making and query services. The problems of data storage, information traceability, data encryption, trust security and the like in logistics service transaction are solved, a user can feel more efficient and convenient service than traditional logistics transaction without going out, and safer logistics experience is provided for the user.