The utility model provides a high -efficient agitating unit for plastic production, includes the agitator, agitator upper portion is equipped with one -level agitating unit, one -level agitating unit includes the first pivot that first motor and level set up, and the first pivot first motor outside with being located the agitator links to each other, is equipped with a plurality of puddlers in the first pivot, evenly be equipped with stirring vane on the puddler, one -level agitating unit below is equipped with second grade agitating unit, second grade agitating unit includes the second pivot that second motor and level set up, and the second pivot second motor outside with being located the agitator is connected, be equipped with a plurality of stirring pieces in the second pivot, even boring is equipped with a plurality of round holes on the stirring piece. The beneficial effects of the utility model are that can realize multiple stirring, its stirring mixes effectually, and the strutting arrangement of bottom can increase the job stabilization nature when stirring, the utility model has the advantages of reasonable design, facilitate the use and promote.