The utility model discloses a novel coil-cutting taper coil holder which is convenient to operate, adopts a box body structure with good rigidity and can cut workpieces with high precision and large taper. The coil holder comprises an upright post, wherein a Y-axis slide body and an X-axis slide body are arranged above the upright post; a Y-axis linear guide rail pair is arranged below the Y-axis slide body connected with an X-axis linear guide rail pair; the X-axis slide body and the Y-axis slide body slide along the X-axis linear guide rail pair and the Y-axis linear guide rail pair respectively; an upper coil holder and a lower coil holder are arranged on one side of the upright post; a lifting guide rail can move up and down along a Z-axis linear guide rail pair fixedly connected with the X-axis slide body; and a motor is arranged above the X-axis slide body and connected with a Z-axis ball screw pair through a chain wheel group. The taper coil holder is convenient to operate, reduces the jib-length, has improved integral rigidity, has high dimensional precision in cutting workpieces and good surface roughness, can reach to any accurate height within the height range by the aid of the lifting guide rail, and improves the processing quality.