The invention discloses a device applicable to accessory blank cutting. The device applicable to accessory blank cutting comprises a first-stage joint shaft, a cutting unit, a first-stage cutting arm,a second-stage joint shaft, a second-stage cutting arm, a third-stage joint shaft, a third-stage cutting arm, a fourth-stage joint shaft, a fourth-stage base arm, a device base, a camera, a three-dimensional laser modeling device, an observer supporting column, an accessory orientation adjusting arm, a hydraulic telescopic arm, gripper joints, grippers, a cutting workbench, a gripping arm hydraulic supporting column and a control table, wherein the surface of the device base is provided with a through hole for installing the gripping arm hydraulic supporting column; the surface of one end ofthe gripping arm hydraulic supporting column is provided with the accessory orientation adjusting arm; the hydraulic telescopic arm is installed on the surface of one side of the accessory orientationadjusting arm; the gripper joint is fixedly installed at one end of the hydraulic telescopic arm; the two grippers are fixedly connected to the surfaces of the gripper joints; and blank parts can beroughly machined.