The utility model discloses a sounding structure for a key switch. The sound box comprises a base and a cover arranged above the base, the base and the cover are combined to form a containing cavity,the sound box further comprises a sound production elastic body arranged in the containing cavity, and the sound production elastic body is driven by the cover to deform to impact the base, the coverand/or the internal structure of the containing cavity to make a sound. The sounding structure for the key switch provided by the utility model can realize the pressing sounding effect, improve the pressing hand feeling, improve the user experience, weaken the direct impact force on the impact of the internal structure of the key switch, and protect the internal structure from being damaged.