Fecha de publicación: 16/07/2021 Fuente: Wipo "BigData" The invention provides a storage system based on block chain big data, and relates to the field of internet data storage. The storage system based on the block chain big data comprises a central service unit, a classification unit, an area assistance unit, a block unit and an inquiry module, the central service unit receives and transmits data information, and a receiver, a central processor and a transmitter are arranged in the central service unit. The classification unit classifies and divides the data information in the same or similar types, a data receiving module and a data analysis module are arranged in the classification unit, and an area assistance device, a pre-storage module and a timing module are arranged in the area assistance unit. The area assistance unit is arranged, data is pre-stored before block chain information storage, the flexibility of the system can be improved, the error-tolerant rate is high, in addition, an advanced storage mode is achieved by cooperation of the area assistance module and the block unit, and pressure of the storage system can be relieved.