A washing machine comprising: a cabinet having a door on a front thereof; a tub in the cabinet for holding washing water; a drum rotatably mounted in the tub; and a gasket mounted to connect openings of the cabinet and the tub; a lamp device (50, 100) for lighting an inside of the washing machine, provided to the gasket, wherein a portion of the gasket on which the lamp device (50, 100) is mounted is located at an upper portion of the tub, wherein the lamp device (50, 100) includes: a body (60, 110), whereby the body (60, 110) includes a plate portion having wire pass through holes (62, 64) formed therein, and a cylindrical portion projected from the plate portion having a space formed therein, the lamp device (50, 100) further includes: a printed circuit board, PCB received in the space formed in the cylindrical portion, LEDs (76, 78) provided on the PCB, a rib (67, 113) projected from the body (60, 110) for being brought into close contact with the PCB, and a PCB supporter (90, 210) having an opening for exposing the LEDs (76, 78) therethrough and configured to press the PCB toward the rib (67, 113), wherein a cap (80, 190) protects the LEDs (76, 78) and allows transmission of a light from the LEDs (76, 78), and wherein the PCB is fixedly secured between the rib (67, 113) and the PCB supporter (90, 210). a cabinet having a door on a front thereof; a tub in the cabinet for holding washing water; a drum rotatably mounted in the tub; and a gasket mounted to connect openings of the cabinet and the tub; a lamp device (50, 100) for lighting an inside of the washing machine, provided to the gasket, wherein a portion of the gasket on which the lamp device (50, 100) is mounted is located at an upper portion of the tub, wherein the lamp device (50, 100) includes: a body (60, 110), whereby the body (60, 110) includes a plate portion having wire pass through holes (62, 64) formed therein, and a cylindrical portion projected from the plate portion having a space formed therein, the lamp device (50, 100) further includes: a printed circuit board, PCB received in the space formed in the cylindrical portion, LEDs (76, 78) provided on the PCB, a rib (67, 113) projected from the body (60, 110) for being brought into close contact with the PCB, and a PCB supporter (90, 210) having an opening for exposing the LEDs (76, 78) therethrough and configured to press the PCB toward the rib (67, 113), wherein a cap (80, 190) protects the LEDs (76, 78) and allows transmission of a light from the LEDs (76, 78), and wherein the PCB is fixedly secured between the rib (67, 113) and the PCB supporter (90, 210). a body (60, 110), whereby the body (60, 110) includes a plate portion having wire pass through holes (62, 64) formed therein, and a cylindrical portion projected from the plate portion having a space formed therein, the lamp device (50, 100) further includes: a printed circuit board, PCB received in the space formed in the cylindrical portion, LEDs (76, 78) provided on the PCB, a rib (67, 113) projected from the body (60, 110) for being brought into close contact with the PCB, and a PCB supporter (90, 210) having an opening for exposing the LEDs (76, 78) therethrough and configured to press the PCB toward the rib (67, 113), a printed circuit board, PCB received in the space formed in the cylindrical portion, LEDs (76, 78) provided on the PCB, a rib (67, 113) projected from the body (60, 110) for being brought into close contact with the PCB, and a PCB supporter (90, 210) having an opening for exposing the LEDs (76, 78) therethrough and configured to press the PCB toward the rib (67, 113), wherein a cap (80, 190) protects the LEDs (76, 78) and allows transmission of a light from the LEDs (76, 78), and wherein the PCB is fixedly secured between the rib (67, 113) and the PCB supporter (90, 210).