The production of various continuous aluminum foil stretch films, continuous stretch aluminum foil films, and color printed aluminum foil films. The film can be printed on. It is odorless, safe, easy to use, high cushioning strength, and good shrinkage. It is PET /AL/PA/CPP four-layer material composite. The oxygen transmission rate is 0.2, which is 100 times the barrier property of ordinary films. The film can be stretched on a fully automatic stretch packaging machine (both the upper and lower films can be stretched) to package all kinds of seafood and snack foods. It is recommended not to pull it too deep (the upper and lower film should not be stretched more than one centimeter).