PE shrink film can be used to condense and pack variety of goods into a same package bag which will be held tightly and easy to transport, with the help of PE as packing mateial, the packaged thing will be well protected with anti-buffering and anti-seismic properties PE can be widely applied in collective package of food, milk products, beverage, beer or packages of some agricultural, daily office work, daily necessities and constructional materials.