Automatic shrink wrap machine can also shrink the package completely in a short time. After shrink packaging, the appearance is clean, compact, convenient for stacking, ensuring the quality of products and the need of long-distance transportation. It is suitable for PE, PVC, POF and other shrink packaging materials. The upper and lower sides are equipped with stainless steel electric heating tubes, which have fast heating speed and long service life. The upper and lower air conveying system and super large air volume cooling system are used to cool and shape the products rapidly after thermal shrinkage, so as to ensure that the suitable packaging effect can be achieved at one time.