In accordance with the current application and product performance requirements of cushioning package stay, a new type of paper cushioning package stay is designed. The product consists of stay wrapping on cardboard, sponge and many support piece setting in internal cardboard. Support pieces bond on the cardboard surface. The stay wrapping on cardboard adopts single-layer single face corrugated board, support pieces adopt corrugated board, all materials with good mechanical properties and anti-friction properties. The producing process includes cardboard cutting, gluing, crawling and support pieces feeding, turnover, pressure forming, pimpled rubber strips, and other steps. Its key issue is the design of forming device, the support plate folding device and the choice of coating equipment. The paper cushioning package stay has good cushioning properties and can achieve large-scale production to replace traditional plastic foam cushioning stay