The invention discloses a method for eliminating defective products out of die-cut adhesive products. The adhesive products after die-cutting processing are placed on a base belt, and scanned by a visual camera to distinguish defective products and qualified products; bosses corresponding to the adhesive products one to one are arranged on an eliminating roller, and more than one air vent is arranged on each boss; when the defective products pass through the eliminating roller, the air vents on the eliminating roller suck air, and the defective products are adsorbed on the bosses of the eliminating roller; when the bosses adsorbed with the defective products on the eliminating roller are rotated to a defective product collection box, the air vents on the bosses blow air, and the defective products are blown in the defective product collection box; and when the qualified products pass through the eliminating roller, the qualified products stay on the base belt and continue to move forwards, and then collected into a finished product roll by a finished product roller.