The utility model discloses a 3D printer beat printer head. This 3D printer beat printer head includes feed inlet, discharge gate and sets up discharge gate top and with a plurality of branches material subassembly that the feed inlet links to each other, each divide the material subassembly including divide material control needle and with divide material control needle to link to each other and control divide material control needle pivoted control motor. This 3D printer beat printer head divides the material subassembly through set up a plurality of above the discharge gate, and a plurality of divides the material subassembly to extrude the raw materials to the discharge gate, can realize multiple spot simultaneous printing to improve the printing efficiency of 3D printer, effectively save printing time.