Button switch

A button switch, comprising a base, an upper cover plate and a lower cover plate being arranged on the upper side and the lower side of the base respectively, a circuit board being arranged in the base, input wiring terminals and output insertion pieces being connected to the circuit board, and a switch assembly for controlling the communication of the input wiring terminals and the output insertion pieces being arranged between the input wiring terminals and the output insertion pieces, wherein the switch assembly comprises a contact frame communicating with the input wiring terminals and a static contact piece communicating with the output insertion pieces, a movable springboard is arranged between the contact frame and the static contact piece, one end of the springboard is connected to the contact frame through a hook spring, the other end of the springboard is located above the static contact piece, when the other end of the springboard is in contact with the static contact piece, the input wiring terminals communicate with the output insertion pieces, the base further comprises a button, the lower end of the button is located at the middle section of the hook spring, and the upper end of the button extends out of the upper cover body.