Virtual sim card management method and device parameters

The present invention is applicable to the field of communications, provides a kind of a virtual SIM card parameter management method and apparatus, the method comprising the steps of: the mobile terminal and transmits the encrypted authorization request to the network side, the network side a request for the encrypted authorization according to the said SIM card parameter of the mobile terminal allocating encryption; the SIM card is allocated by the network parameters received; decrypting the SIM card parameters; updating the local parameters of the SIM card SIM card parameters decrypted. Virtual SIM card parameter management method and device proposed by the invention solves the security problem of virtual SIM card parameters.