Suzhou foil bags of food is produced after a dry compound and other barrier materials into products based on aluminum foil bag unique nature of aluminum. Shiny aluminum due to light, the reverse ability, good barrier, airtight body and water vapor, temperature adaptability, stable shape at high or low temperatures, shading and strong aroma of excellent features, so foil bag has good moisture barrier, barrier, dark, resistance to penetration and aesthetically pleasing features, water vapor transmission rate of up to, but also a sealing function, can be vacuum packaging, aluminum foil bag opaque appearance, silvery white, anti-gloss, can ≤ 38 ℃ in temperature, humidity ≤90% of the storage environment. Aluminum foil bags used in food packaging, usually used for packaging meat products, dried fish, aquatic products, sausages, duck, chicken, roast pork, frozen food, ham, bacon products, sausages, cooked meat, pickles, bean paste, spices and other aroma, quality, flavor, color retention. Plastic packaging lightweight, lightweight and now has become a major trend in the packaging industry, less production of packaging materials, packaging makes weight loss much lower cost to the environment and businesses are profitable, generally speaking, Plastic bottles, plastic containers, plastic hoses and plastic covers and other types of containers easier to achieve weight loss goals. As people's living environment and the continuous improvement of environmental quality, green, environmentally friendly, low carbon plastic packaging will be more respected by the people. Plastic packaging has been further developed mainly to food packaging to industrial packaging, pharmaceutical packaging, building materials packaging, cosmetic packaging and other fields, and its scope and prospects will be more broad.