A battery pack, comprising: a first battery module, comprising a plurality of battery cells, wherein each of the plurality of battery cells of the first battery module is provided with a vent; a second battery module, comprising a plurality of battery cells, wherein each of the plurality of battery cells of the second battery module is provided with a vent; a housing, for housing both the first battery module and the second battery module; characterized in that, the battery pack further comprises: a fireproof member, vertically arranged and located between the vent of the first battery module and the vent of the second battery module, wherein the vent of the first battery module and the vent of the second battery module face the fireproof member; wherein, the fireproof member is vertically arranged means that the fireproof member is approximately perpendicular to a horizontal plane to cover the vents of all the battery cells; the fireproof member is configured to block both flames and high temperature particles ejecting upward from the battery cell when the vent is broken; wherein the fireproof member comprises a fireproof member body and a first extension connected to an upper end of the fireproof member body and the first extension extends in a direction towards the first battery module; a projection of the first extension in the vertical direction overlaps at least partially a projection of the battery cells in the vertical direction; and the fireproof member further comprises a second extension connected to a lower end of the fireproof member body and the second extension extends in a direction towards the first battery module; a projection of the second extension in the vertical direction overlaps at least partially a projection of the battery cells in the vertical direction a first battery module, comprising a plurality of battery cells, wherein each of the plurality of battery cells of the first battery module is provided with a vent; a second battery module, comprising a plurality of battery cells, wherein each of the plurality of battery cells of the second battery module is provided with a vent; a housing, for housing both the first battery module and the second battery module; characterized in that, the battery pack further comprises: a fireproof member, vertically arranged and located between the vent of the first battery module and the vent of the second battery module, wherein the vent of the first battery module and the vent of the second battery module face the fireproof member; wherein, the fireproof member is vertically arranged means that the fireproof member is approximately perpendicular to a horizontal plane to cover the vents of all the battery cells; the fireproof member is configured to block both flames and high temperature particles ejecting upward from the battery cell when the vent is broken; wherein the fireproof member comprises a fireproof member body and a first extension connected to an upper end of the fireproof member body and the first extension extends in a direction towards the first battery module; a projection of the first extension in the vertical direction overlaps at least partially a projection of the battery cells in the vertical direction; and the fireproof member further comprises a second extension connected to a lower end of the fireproof member body and the second extension extends in a direction towards the first battery module; a projection of the second extension in the vertical direction overlaps at least partially a projection of the battery cells in the vertical direction a fireproof member, vertically arranged and located between the vent of the first battery module and the vent of the second battery module, wherein the vent of the first battery module and the vent of the second battery module face the fireproof member; wherein, the fireproof member is vertically arranged means that the fireproof member is approximately perpendicular to a horizontal plane to cover the vents of all the battery cells; the fireproof member is configured to block both flames and high temperature particles ejecting upward from the battery cell when the vent is broken; wherein the fireproof member comprises a fireproof member body and a first extension connected to an upper end of the fireproof member body and the first extension extends in a direction towards the first battery module; a projection of the first extension in the vertical direction overlaps at least partially a projection of the battery cells in the vertical direction; and the fireproof member further comprises a second extension connected to a lower end of the fireproof member body and the second extension extends in a direction towards the first battery module; a projection of the second extension in the vertical direction overlaps at least partially a projection of the battery cells in the vertical direction