The invention discloses a button switch, and belongs to the field of elevator accessories. The button switch is designed to solve the problem that an existing elevator button switch touch is prone to being failed. The button switch comprises a shell and a button piece arranged at one end of the shell and further comprises a magnetic element capable of being in linkage with the button piece and arranged in the shell, a magnetic resistance element opposite to the magnetic element and an elastic element for resetting the button piece, wherein the magnetic resistance element is used for judging whether the button piece is pressed or not by sensing the magnetic field intensity of the magnetic element and accordingly controlling the button switch to be turned on or turned off. The button switch solves the problem that the existing elevator button switch touch is prone to being failed and is long in service life and lower in manufacturing cost.