The utility model discloses an electronic pruning device, include power supply module and the first subassembly of saw that is used for the beta pruning, still including being used for the installation it will to saw first subassembly the electric quantity of power transmit for saw the link bar assembly of first subassembly, link bar assembly includes at least one conductive connection rod, conductive connection rod's both ends are equipped with first electric connecting portion and second electricity connecting portion respectively, first electric connecting portion with the electricity is connected between the second electricity connecting portion, and different can peg graft in proper order between the conductive connection rod in order to increase link bar assembly's length. The utility model provides an electronic pruning device is through adopting conductive connection rod, the accessible changes conductive connection rod's quantity realizes link bar assembly pursues flexible mode of festival, can under the condition that does not receive the restriction of electric power transmission wire, change wantonly according to site operations's needs link bar assembly's length for this pruning device can be in the high work in the space of difference.