With the development of the market, STP vacuum packaging bags are gradually used in the construction industry, but also in the fire prevention material industry to enrich the market. Moreover, its cost is very low and it is more suitable for other products, which is a great breakthrough for the insulation industry. In terms of these thermal insulation materials on the market, from the point of view of building structure, it is a good choice to achieve green building. The weight of STP external wall vacuum insulation bag is very light, and its heat insulation effect is particularly good, so it is also more suitable for the packaging of products that are more sensitive to temperature. Because of the good characteristics of STP vacuum packaging bag ,it can protect the products for a long time.