A button switch includes: a housing provided with two resilient members at two opposite lateral sides thereof and two aligned holes at another two opposite sides thereof, a first blade extending upwardly into the housing and pivotally connected with an intermediate portion of a rocking plate; a second blade being a L-shaped member extending upwardly into the housing and engageable with the rocking plate; a button provided with two protuberances adapted to engage with the aligned holes of the housing, a projection at a bottom thereof, and a recess at an end thereof, the recess being provided with a protrusion at one side thereof and a through hole at another side thereof; a spring mounted between the first blade and the projection of the button; and an indicating member having a cavity at a bottom and a protuberance at a top, the indicating member being fitted within the recess of the button with the cavity and protuberance engaged with the protrusion and through hole.
