The invention provides a multi-angle adjustable municipal engineering landscaping trimmer which comprises a movable base, universal moving wheels, directional moving wheels, a pushing rod, a collecting box, a pluggable collecting and guiding box structure, a rotatable supporting and protecting plate structure, an adjustable fixed power frame structure, a compressible buffering and pushing reset plate structure, a sliding hole and an inverted L-shaped fixing plate. The front surface of the left side of the lower end of the movable base and the rear surface of the left side of the lower end of the movable base are respectively in bolted connection with the universal moving wheels. Through the arrangement of the U-shaped frame, the rotating hole, the rotating plate, the power motor mechanism, a rotating locking rod and a locking ring, the locking ring can be loosened in the using process, the rotating plate and the power motor mechanism are rotated, meanwhile, a pruning cutter is rotated to the front of the movable base, and the side face of a plant can be pruned conveniently in the pruning process.