At the "New Product Press Conference in the Field of Chinese Liquid Product Packaging-Label Special", Mr. Wang Yang, deputy chief engineer of Shanghai Ziquan Label Co., Ltd. introduced the PE color film to the participants in detail. PE color shrink film is widely used in the beverage and beer fields of developed countries as an environmentally friendly packaging material with low cost, high production efficiency, excellent appearance and efficient logistics. The exquisite packaging effect and low cost left a deep impression on the participants. Taking the packaging of 24 cans as an example, the cost of using carton is 1.5~1.9 yuan; the cost of color printing paper tray + plain film is 1.0~1.1 yuan; the cost of paper tray + 4 six cans is 1.5~1.7 yuan; paper tray ＋The cost of the large color film is 1.1 to 1.3 yuan; the cost of 24 cans of color film is only 0.9 to 1.0 yuan. Regarding the cost of the color film, whether the friction coefficient of the product surface can meet the stacking needs, the acceptable stacking height, and the transportation distance, Mr. Wang had a profound exchange with the participants.