A wire stripping machine includes a supporting frame; the supporting frame is provided with a first driving shaft and a second driving shaft; the distance between the first driving shaft and the second driving shaft enables a cable to pass through; the first driving shaft is provided with a number of straightening rings; a spacing between the straightening rings is not consistent; a wire inlet groove with a width and a non-uniform depth is arranged between the straightening rings; the second driving shaft sleeve is provided with a number of cutter and is arranged in the wire inlet groove and keeps the spacing of the cutting cable insulating layers from the wire inlet groove; a limiting ring is arranged between the cutter; and a lead plate is arranged on the supporting frame.