The most important function of vinyl bag is to protect products. During the process of storage and transportation, products are often destroyed and influenced by various disadvantageous conditions and factors. However, this can be avoided and reduced by adopting drawstring bag the protective function of vinyl cosmetic packaging realized by people in the initial period is its resistance to all or part of the impact and damage of external forces. Later it was discovered that package is able to prolong quality guarantee period of some products (for example, food, pharmaceuticals and chemicals). The vinyl bag shows that quality deterioration is mainly caused by the content of certain kinds of gas within inner drawstring bag That is why controlling gas content of inner package can efficiently prolong the quality guarantee period of products, usually realized by using barrier property materials. For that reason, materials with barrier property have witnessed the rapidest development in recent years. Moreover, barrier property of materials becomes one of the most important testing vinyl cosmetic packaging