The utility model discloses a data storae system of computer, its structure includes input device, display, central processing unit, authentication unit, data storae system, input device and central processing unit fixed connection, central processing unit and display fixed connection, central processing unit and authentication unit fixed connection, central processing unit and data storae systemfixed connection, data storae system takes notes the appearance by encrypting unit, cloud storage, external safety device, communication verification unit, nonvolatile memory, erasing, the alarm is constituteed, encrypt the unit respectively with cloud storage, external safety device, communication verification unit fixed connection, external safety device respectively with alarm, nonvolatile memory fixed connection, the utility model discloses being equipped with the communication and verifying the unit, under the proruption situation, in time managers is out, and also accessible mobile terminal carries out authentication messenger operating personnel acquisition authority.