One piece automatic shrinkable film packaging machine is a high efficiency, continuous operation of new packaging equipment designed and manufactured based on the characteristics of shrinkable film. It can automatically arrange a single product (such as PET bottle), set into groups, servo push bottle, servo wrap film, and finally form a set packaging by heating, shrinkage, cooling and shaping. The packaged products are firmly bound, the appearance is regular and beautiful, and the packaging cost is saved.