The invention discloses a packaging bag with drumming feedback function. The packaging bag with drumming feedback function comprises a bag main body, a sealing groove arranged at an opening of the bagmain body, and a sealing strip which is arranged on the bag main body right to face the sealing groove; the opening of the bag main body is also provided with a drumming groove in parallel to the sealing groove; the bag main body comprises polyvinyl chloride; polyvinyl chloride bottom is provided with a phenolic resin layer; the bottom of the phenolic resin layer is provided with a polypropylenethin film layer; the bottom of the polypropylene thin film layer is provided with a degradable layer; the bottom of the degradable layer is provided with a reinforcing layer; the opening of the bag main body is provided with a drumming strip facing the drumming groove; and a pressing edge is arranged at the side edge of the drumming strip. The drumming groove and the drumming strip comprise, by weight, 5 to 8 parts of nanometer silver antibacterial plastic master batch, 70 to 80 parts of plastic toughening master batch, and 20 to 40 parts of magnetic polypropylene plastic master batch. The packaging bag is capable of realizing sealing feedback, is degradable, and is excellent in antibacterial performance.