Forestry pruning device

The utility model relates to the technical field of forestry pruning, and discloses a forestry pruning device which comprises a pruning device body, and the pruning device body comprises a shearing blade, a left grip, a right grip, a grip ring, a positioning knife rest, a reset torsion spring, an arc-shaped blade, a rubber sleeve, a left screw and a right screw. According to the forestry pruning device, through the left screw rod, the right screw rod, the left grip, the right grip, the cutting blade, the positioning knife rest and the arc-shaped blade, when pruning is carried out, a semicircular hole of the positioning knife rest is aligned to a branch needing to be pruned, and the left grip and the right grip are held and drawn close to the middle to enable the cutting blade to prune the branch; other parts which do not need to be cut are blocked by the positioning knife rest and cannot be cut by the cutting blade, meanwhile, the arc-shaped blade can assist in cutting, branches and trunks can be cut more cle