The invention discloses a glass drill screening machine which comprises a glass drill material distribution device, a glass drill screening device and a mounting bracket, wherein the glass drill screening device comprises a spindle box; a spindle is mounted in the spindle box and connected with a lower electric motor for driving the spindle to rotate; a turntable is mounted on the spindle; the turntable and the spindle box are embedded on the upper surface of the spindle box in clearance fit; a material guiding plate is fixed on the upper surface of the spindle box; the material guiding plateis hung above the turntable with an adjustable distance between the material guiding plate and the turntable; the material guiding plate is provided with a material guiding groove of which the appearance is consistent with that of the glass drill; the spindle box is mounted on the mounting bracket; the glass drill material distribution device is mounted above the glass drill screening device and comprises an inner protective cover and an outer protective cover; the two sides of the inner protective cover are provided with a material distribution roller brush respectively; the outer protectivecover is arranged on the outer side of the material distribution roller brush; the material distribution roller brush is connected with an upper electric motor for driving the material distribution roller brush to rotate; and the material distribution roller brush is arranged above the turntable with an adjustable distance between the material distribution roller brush and the turntable.