(1) mainly consisting of automatic seal-cutting and heat shrinkage, the heat shrink packaging machine adopts automatic feeding, automatic sealing control and heated air circulation, and the heat shrinking chamber is heated uniformly; the shrinking is completed by one time, with high working efficiency, which applies to those products of different heights and widths; (2) with good packaging effect, smooth product surface and clear seal-cutting edges, continuous packaging is available; (3) with human-machine interface control adopted, it is equipped with safety protection and alarm device, and easy to operate and maintain; (4) it will collect wastes separately and automatically, and drawing breakage will not occur due to excessive tensioning, thus the wastes are easy to remove.