The application provides a nail removing device for wood and a use method thereof, relates to the technical field of wood recycling, and comprises an open-toward-top frame body, a first mounting piece and a second mounting piece are mounted on the frame body, a
cutting mechanism is mounted on the second mounting piece, the
cutting mechanism comprises a first sliding block and a
cutting piece mounted on the first sliding block, the cutting piece is rotationally connected with the first sliding block through a rotating rod, the cutting piece is driven through a driving motor, the driving motor provides driving force for the rotating rod, the cutting piece comprises a cutting blade, a fixing mechanism is mounted on the first mounting piece, a plate is mounted on the fixing mechanism, a plurality of nails are distributed on the plate, the nails comprise a nail tip part and a nail cap part, the fixing mechanism comprises a hollow placement frame, through the arrangement of the cutting mechanism and the fixing mechanism, the cutting blade in the rotating process cuts the nail tip part, and the curved part of the nail tip part is
cut off, so that the subsequent nail pulling operation of the plate is facilitated.