The utility model provides an it spends master pulse instrument to cut apart tobacco leaf, including the mesa, wherein, the middle part of mesa is fixed with twice track groove, the fixed pedestal that is provided with of one end in track groove, the other end is provided with the cardboard, the pedestal upper shaft is connected with the zip fastener rail, the movable type remote vision training experiment table comprises a table top, wherein, can the zip fastener rail use the pedestal as the basic point 0 90 the degree within range is rotatory, be provided with cross -shaped groove on the cross section of zip fastener rail, cross -shaped groove's vertical slot part is provided with the hobbing cutter, cross -shaped groove's horizontal part runs through has the round pin axle, round pin axle both ends hub connection has the hobbing cutter, the outer fringe integrated into one piece of hobbing cutter is provided with the sword, the middle part fixedly connected with handle of round pin axle, after pushing down, the zip fastener rail can compress tightly the track groove, the sword that drags handle messenger hobbing cutter sees through the vertical slot part of cross recess and moves along the track trough roller. The utility model discloses simple structure, convenient to use can the rapid removal master pulse, do benefit to cut apart leaf base, leaf in, the apex, the cell is impaired when avoiding cutting apart.