Wire tightening and wiring method and switch connecting device

The invention discloses a wire tightening and wiring method and a switch connecting device. The wire tightening and wiring method comprises the steps that a to-be-cut energized part of a wire is arranged at a cutting position of a cutting and wire tightening assembly; repeatedly pressing the cutting and tightening assembly to cut the middle part of the wire; peeling the wire along the cutting trace on the wire, and hanging the cutting and tightening assembly on the positioning and stabilizing assembly; the positioning and stabilizing assembly is fixedly installed at one position according to the working environment; the peeled wire is pushed into a power-on groove of the cutting and wire tightening assembly; the cutting and tightening assembly is pressed again to tighten the wire, and the cutting and tightening assembly is adjusted to be fixedly connected with the positioning and stabilizing assembly; and wire tightening and wiring are completed. The device has the beneficial effects that through multiple sup