Light-emitting induction key

The utility model discloses a light-emitting induction key which comprises a circuit board, an induction module, a first light source, a first light guide plate and a key cap. The sensing module is arranged on the circuit board. The first light source is arranged on the circuit board. The first light guide plate is arranged on the sensing module. The first light guide plate comprises a groove and a side wall surrounding the groove. The side wall is provided with a lead angle structure. A part of the sensing module is accommodated in the groove. The side wall surrounds the sensing module. The key cap is arranged on the first light guide plate. The key cap comprises a light-transmitting layer and a light-shielding layer. The light shielding layer is arranged on one side of the light transmitting layer. The shading layer is provided with a first hollow area. Light emitted by the first light source enters the first light guide plate from the lower portion of the side wall and is guided to the first hollowed-out a