A power distribution box, wherein the power distribution box comprises: a case, wherein a fuse and a contactor are comprised inside the case; and an input terminal configured to electrically connect an external power source, an output terminal configured to electrically connect an external electrical appliance, and a charge terminal configured to electrically connect an external charging circuit are further integrated into the case, wherein the external power source is used to supply power to the external electrical appliance through the power distribution box, and the external charging circuit is used to charge the external power source through the power distribution box; the contactor is connected to a first inner side surface of the case; the input terminal is electrically connected to the charge terminal through the contactor; two ends of the fuse are respectively provided with a first wiring terminal and a second wiring terminal, wherein the wiring terminals (311, 312) extend away from the fuse in a direction perpendicular to a longitudinal axis of the fuse, and the longitudinal axis is an axis of the fuse passing through the two ends, and the fuse is connected to the first inner side surface through the first wiring terminal; and the fuse is electrically connected to the input terminal through the second wiring terminal and electrically connected to the output terminal through the first wiring terminal, and an included angle between the longitudinal axis of the fuse and the first inner side surface is greater than 0°, wherein a magnitude of the included angle between the longitudinal axis of the fuse and the first inner side surface is determined to make a height of the fuse in the vertical direction in the case less than or equal to the height of the contactor when the height of the fuse is greater than the height of the contactor. the external power source is used to supply power to the external electrical appliance through the power distribution box, and the external charging circuit is used to charge the external power source through the power distribution box; the contactor is connected to a first inner side surface of the case; the input terminal is electrically connected to the charge terminal through the contactor; two ends of the fuse are respectively provided with a first wiring terminal and a second wiring terminal, wherein the wiring terminals (311, 312) extend away from the fuse in a direction perpendicular to a longitudinal axis of the fuse, and the longitudinal axis is an axis of the fuse passing through the two ends, and the fuse is connected to the first inner side surface through the first wiring terminal; and the fuse is electrically connected to the input terminal through the second wiring terminal and electrically connected to the output terminal through the first wiring terminal, and an included angle between the longitudinal axis of the fuse and the first inner side surface is greater than 0°, wherein a magnitude of the included angle between the longitudinal axis of the fuse and the first inner side surface is determined to make a height of the fuse in the vertical direction in the case less than or equal to the height of the contactor when the height of the fuse is greater than the height of the contactor.