A cabinet lighting power-taking system, comprising a cabinet body and a plurality of lamps installed in the cabinet body; a power-taking assembly comprising at least one wire-distribution box, wherein the at least one wire-distribution box is installed on the cabinet body and provided with a power-input interface and a plurality of power-output interfaces to separate a single power-output interface into the plurality of power-output interfaces in parallel through shunt conversion, and the power-input interface is configured for connecting commercial power; and the plurality of lamps are plugged one to one with the plurality of power-output interfaces; characterized in that each lamp comprises a lamp body, a first lamp holder and a second lamp holder inserted in the first lamp holder, wherein the first lamp holder is electrically connected with the second lamp holder, the first lamp holder is configured on the lamp body, and the second lamp holder is installed in the cabinet body and electrically connected with the power-output interface of the wire-distribution box; the first lamp holder and the second lamp holder are adsorbed and fixed by a magnet; the cabinet body comprises a back board, a plurality of side boards arranged around the back board and a plurality of shelves, wherein the back board and the plurality of side boards are enclosed to form a cuboid structure with a cabinet opening, and the plurality of shelves are arranged at intervals between two transversely opposite side boards along a height direction of the cabinet body and are attached to the back board; the back board is provided with a wire hole through which a terminal connecting wire connecting the second lamp holder and the power-output interface of the wire-distribution box passes at a position corresponding to the lamp; a lamp of the plurality of lamps further comprises an installing member, the installing member is configured in the cabinet body, and the second lamp holder is configured in the cabinet body through the installing member; and a shelf of the plurality of shelves is provided with an embedded groove, and the installing member is arranged in the embedded groove. a cabinet body and a plurality of lamps installed in the cabinet body; a power-taking assembly comprising at least one wire-distribution box, wherein the at least one wire-distribution box is installed on the cabinet body and provided with a power-input interface and a plurality of power-output interfaces to separate a single power-output interface into the plurality of power-output interfaces in parallel through shunt conversion, and the power-input interface is configured for connecting commercial power; and the plurality of lamps are plugged one to one with the plurality of power-output interfaces; characterized in that each lamp comprises a lamp body, a first lamp holder and a second lamp holder inserted in the first lamp holder, wherein the first lamp holder is electrically connected with the second lamp holder, the first lamp holder is configured on the lamp body, and the second lamp holder is installed in the cabinet body and electrically connected with the power-output interface of the wire-distribution box; the first lamp holder and the second lamp holder are adsorbed and fixed by a magnet; the cabinet body comprises a back board, a plurality of side boards arranged around the back board and a plurality of shelves, wherein the back board and the plurality of side boards are enclosed to form a cuboid structure with a cabinet opening, and the plurality of shelves are arranged at intervals between two transversely opposite side boards along a height direction of the cabinet body and are attached to the back board; the back board is provided with a wire hole through which a terminal connecting wire connecting the second lamp holder and the power-output interface of the wire-distribution box passes at a position corresponding to the lamp; a lamp of the plurality of lamps further comprises an installing member, the installing member is configured in the cabinet body, and the second lamp holder is configured in the cabinet body through the installing member; and a shelf of the plurality of shelves is provided with an embedded groove, and the installing member is arranged in the embedded groove.