The invention relates to a computer big data storage system which comprises a data acquisition unit, a data classification unit, a data processing unit, a display unit and a storage unit. The data acquisition unit acquires data through a network and transmits the data to the data classification unit, the data classification unit classifies the data and transmits the classified data to the data processing unit for processing, and the processed data is displayed for a user to reference and is saved in the storage unit. The computer big data storage system is simple in structure, capable of conducting decentralized processing on big data and stable in data transmission.