A protection apparatus of a terminal is described in an embodiment of the disclosure, which includes that: a detection module, a driving module and a plugboard, wherein the plugboard is disposed between a mainboard side power supply contact and a battery side power supply contact of the terminal; the mainboard side power supply contact and the battery side power supply contact are connected via the plugboard; the detection module is configured to send a driving instruction to the driving module when detecting that a working parameter of the terminal exceeds a preset threshold; the driving module is configured to push the plugboard so as to break a connection between the mainboard side power supply contact and the battery side power supply contact when receiving the driving instruction sent from the detection module. A protection method of a terminal is also described in an embodiment of the disclosure. With the technical solution in the embodiment of the disclosure, it is able to realize a fast power interruption on a mobile terminal, effectively reduce the damage to the mobile terminal in an emergency and reduce the loss of a user.