A mobile terminal encryption data loading method, comprising: performing, according to stored authentication data, authentication between a hardware encryption device and a main control chip of a mobile terminal, wherein the hardware encryption device stores encryption data and the authentication data, wherein the encryption data comprises network locking segment information of operators for implementing a SIM card locking function of the mobile terminal, wherein the authentication data comprises board software summary information about the mobile terminal; and the performing, according to stored authentication data, authentication between a hardware encryption device and a main control chip of a mobile terminal comprises: comparing, by the hardware encryption device, stored board software summary information with the board software summary information about the mobile terminal calculated by the main control chip; and determining the authentication succeeds if the comparison is correct, and determining the authentication fails if the comparison is incorrect; permitting, by the hardware encryption device, the main control chip to load the encryption data if the authentication succeeds; and prohibiting, by the hardware encryption device, the main control chip from loading the encryption data if the authentication fails; wherein the method further comprising: setting an encryption level for the encryption data; the permitting, by the hardware encryption device, the main control chip to load the encryption data if the authentication succeeds comprises: after the authentication of each level succeeds, permitting, by the hardware encryption device, the main control chip to load the encryption data of the corresponding level; and until the authentication of all levels succeeds, permitting, by the hardware encryption device, the main control chip to load all the encryption data. performing, according to stored authentication data, authentication between a hardware encryption device and a main control chip of a mobile terminal, wherein the hardware encryption device stores encryption data and the authentication data, wherein the encryption data comprises network locking segment information of operators for implementing a SIM card locking function of the mobile terminal, wherein the authentication data comprises board software summary information about the mobile terminal; and the performing, according to stored authentication data, authentication between a hardware encryption device and a main control chip of a mobile terminal comprises: comparing, by the hardware encryption device, stored board software summary information with the board software summary information about the mobile terminal calculated by the main control chip; and determining the authentication succeeds if the comparison is correct, and determining the authentication fails if the comparison is incorrect; comparing, by the hardware encryption device, stored board software summary information with the board software summary information about the mobile terminal calculated by the main control chip; and determining the authentication succeeds if the comparison is correct, and determining the authentication fails if the comparison is incorrect; permitting, by the hardware encryption device, the main control chip to load the encryption data if the authentication succeeds; and prohibiting, by the hardware encryption device, the main control chip from loading the encryption data if the authentication fails; wherein the method further comprising: setting an encryption level for the encryption data; the permitting, by the hardware encryption device, the main control chip to load the encryption data if the authentication succeeds comprises: after the authentication of each level succeeds, permitting, by the hardware encryption device, the main control chip to load the encryption data of the corresponding level; and until the authentication of all levels succeeds, permitting, by the hardware encryption device, the main control chip to load all the encryption data.