The invention relates to pruning devices for garden seedlings, in particular to a convenient-to-move pruning device for the garden seedlings. The convenient-to-move pruning device comprises a base, universal wheels, a large guide rod, a large guide sleeve, a fixing plate, a first positioning screw, a spring, a first rotary disc, a first connecting shaft, a first bearing and the like, wherein the universal wheels are arranged at the bottom of the base, and the large guide rod is arranged at the top of the base. The convenient-to-move pruning device is flexible to move, large in garden seedlingpruning range, capable of saving time and labor and capable of reducing the labor intensity of workers.