Zonation trimming machine in vehicular. The utility model belongs to an equipment is pruned to the greenbelt, especially relates to a highway planting area and prune equipment this trimming machine is at carriage bottom installation crane, and the spout of installation adopts the sliding pair to be connected on the support at crane top and the horizontal stand, and the front end of horizontal stand is equipped with the tool bit of taking power drive equipment, and the tool bit covers in the shell of taking the mouth out of is equipped with on upper portion, the collection box of the exit linkage area horn mouth of shell the utility model discloses simple structure, convenient operation can also retrieve the branch and leaf of pruning when improving labor efficiency to reduce the traffic accident.