The invention discloses a ditching soil throwing device for a park. The device comprises a bottom frame, a driving motor is fixed to the bottom frame, a driving gear is fixed to a spindle of the driving motor, a transmission shaft rod is arranged on the bottom frame, a transmission gear is fixed to the middle of the transmission shaft rod, an n-shaped portal frame is fixed to the top of the bottomframe, a vertical supporting rod is fixed to the n-shaped portal frame, a vertical sliding groove is fixed to the side face of the vertical supporting rod, a sliding block in threaded connection witha ball screw is arranged in the vertical sliding groove, an abutting-pressing rib rod is fixed to the bottom of the sliding block, a shovel plate is fixed to the bottom of the abutting-pressing rib rod, a vertical supporting frame is fixed to the bottom face of the bottom frame, a soil removal base is arranged on the bottom of the vertical supporting frame, a rotating motor is fixed to the soil removal base, and a control gear is fixed to a spindle of the rotating motor. The structure is reasonable, soil shovel loosening of a ditch can be effectively and rapidly achieved, the soil which is shoveled to be loose can be rapidly eradicated, ditching efficiency can be improved, adaptation is high, and practicability is good.