An electronic device is provided. The electronic device includes a cover plate, a main board, an iris camera, an infrared lamp, a polarizing member. The iris camera is coupled with the main board and arranged on a side of the main board facing the cover plate. The infrared lamp is coupled with the main board and arranged on the side of the main board facing the cover plate. The infrared lamp is spaced apart from the iris camera. The polarizing member is arranged between the infrared lamp and the cover plate to reduce an angle of infrared light emitted from the infrared lamp.