PURPOSE: To easily recover and recycle a textile product by hydrolyzingly removing the cellulose-based fibers alone from a polyester textile product blended with the cellulose-based fibers.

CONSTITUTION: A blended textile product comprising polyester fibers/cellulose- based fibers is dipped in an aqueous solution at 30-60°C containing cellulase and adjusted to pH 4-6 followed by agitation to hydrolyzingly remove the cellulose-based fibers alone without damaging the polyester fibers. In this method, combined use of a surfactant further facilitates polyester fiber recovery and recycling. This method can also remove stains and impurities from the textile product, easily pelletize the resultant polyester fibers, and facilitate hydrolyzing the polyester fibers with an alkali agent.