The automatic continuous stretch vacuum packaging machine is suitable for vacuum (inflatable) packaging of various food, seafood, meat products, pharmaceutical products, fruits and vegetables, pickles, chilled meat, hardware components, medical equipment and other products. It is especially suitable for vacuum (inflatable) packaging of various small bags of snack foods such as dried tofu, spicy strips, eggs, steak, sea cucumber, beef jerky, ham, grilled sausage, prawns, scallops, etc., saving labor, high efficiency, and effective The extended product shelf life and fresh-keeping period are convenient for storage and transportation. Because the product has a packaging function after forming, it can highlight the advantages of the product and improve the product grade.