A processing method for printing information of powder-bed type 3D printing, comprising: a) generating a color image for a printing layer, wherein the color image comprises color information having a plurality of ink droplets ; b) generating an adhesive image for the printing layer, wherein the adhesive image comprises adhesive information having a plurality of adhesive droplets ; c) adjusting the adhesive information of the adhesive image according to the color information of the color image , through executing an "exclusive or" calculation to the plurality of ink droplets of the color information and the plurality of adhesive droplets of the adhesive information , comprising: c01) analyzing distribution information of the plurality of ink droplets according to the color information ; c02) obtaining positions which are distributed with the ink droplets and other positions which are not distributed with the ink droplets ; c03) deleting the adhesive droplets upon the positions which are distributed with the ink droplets in the adhesive information ; c04) retaining the adhesive droplets upon the positions which are not distributed with the ink droplets in the adhesive information ; and c05) generating an adjusted adhesive image according to the adhesive information which is processed with a deleting action; d) generating a final printing image via combining the color image with the adjusted adhesive image ; and e) controlling a sprayer of a 3D printer to respectively jet the ink droplets and the adhesive droplets upon corresponding positions in accordance with the final printing image . a) generating a color image for a printing layer, wherein the color image comprises color information having a plurality of ink droplets ; b) generating an adhesive image for the printing layer, wherein the adhesive image comprises adhesive information having a plurality of adhesive droplets ; c) adjusting the adhesive information of the adhesive image according to the color information of the color image , through executing an "exclusive or" calculation to the plurality of ink droplets of the color information and the plurality of adhesive droplets of the adhesive information , comprising: c01) analyzing distribution information of the plurality of ink droplets according to the color information ; c02) obtaining positions which are distributed with the ink droplets and other positions which are not distributed with the ink droplets ; c03) deleting the adhesive droplets upon the positions which are distributed with the ink droplets in the adhesive information ; c04) retaining the adhesive droplets upon the positions which are not distributed with the ink droplets in the adhesive information ; and c05) generating an adjusted adhesive image according to the adhesive information which is processed with a deleting action; c01) analyzing distribution information of the plurality of ink droplets according to the color information ; c02) obtaining positions which are distributed with the ink droplets and other positions which are not distributed with the ink droplets ; c03) deleting the adhesive droplets upon the positions which are distributed with the ink droplets in the adhesive information ; c04) retaining the adhesive droplets upon the positions which are not distributed with the ink droplets in the adhesive information ; and c05) generating an adjusted adhesive image according to the adhesive information which is processed with a deleting action; d) generating a final printing image via combining the color image with the adjusted adhesive image ; and e) controlling a sprayer of a 3D printer to respectively jet the ink droplets and the adhesive droplets upon corresponding positions in accordance with the final printing image . <EOS>