<p>A push-button switch that excels in durability is provided. A push-button switch includes a base including a common fixed contact point at a middle of a bottom surface of a concave region and arranged with fixed contact points at corners of the concave region, a reverse spring or a movable contact point fitted into the concave region and having an outer peripheral edge contacting the fixed contact points, and a push-button for pushing down the reverse spring. In particular, a wear preventing relay terminal is arranged between the fixed contact points of the base and the reverse spring.</p>
