The utility model relates to a seedling transplanting device for shrubs with thorns. The utility model discloses a connecting base, and belongs to the technical field of agricultural production. Lifting windows corresponding to each other are arranged on the inner sides of the two positioning seats; a screw rod is mounted in the positioning seat through a first bearing seat; turbines are fixedly installed at the head positions of the lead screws, second bearing seats are symmetrically arranged in the connecting base, the outer sides of the two second bearing seats are connected with worms meshed with the turbines, the tail portions of the two worm rods are connected with first rotating shafts through couplers, and the head portion of any worm rod is connected with a handle arranged on theouter side of the positioning seat through a coupler. According to the utility model, the lifting seat can realize lifting under the action of screw threads; meanwhile, after the shovel claw and the shovel shell are inserted into soil, the rotary disc and the connecting rod which are connected with the second rotary shaft are rotated through the rotary handle, then the tail of the shovel shell ispulled to get close to each other, the small shrub seedlings with the thorns after soil shoveling work is completed are clamped, and continuous operation with two hands is not needed.