The utility model provides an electricity cable core binding clasp, include: first clamping piece, the second clamping piece sets up with first clamping piece relatively, has the sinle silk clamping space who is used for pressing from both sides tight electric cable core between first clamping piece and the second clamping piece, and first clamping piece and second clamping piece relatively rotationally set up in order to press from both sides tight electric cable core. The utility model discloses an electricity cable core binding clasp has solved the tighten electricity cable core's among the prior art the lower problem of mode efficiency.