Remote file management system and remote file management method thereof

The invention discloses a remote file management system and a remote file management method thereof. The system comprises a client operation module, a remote file management server module, an encryption intermediate module and a watchdog module. The method comprises the steps that a client operation module initiates a file operation request; the encryption intermediate module encrypts the operation request according to a message interaction protocol; the remote file management server module receives the encrypted message, decrypts the encrypted message to obtain a plaintext of the file management request, executes a corresponding file management operation, re-frames and encrypts an operation result, and sends the operation result to the client operation module which initiates the request;and the running state of the remote file management server module is monitored, and the watchdog module is triggered to reset the system when the file management process is abnormal and crashes, so asto recover normal running