Full automatic shrink packaging machine cannot only be solely used, but used simultaneously with other equipment to form packaging production line. It can automatically array, aggregate and align PET beverage bottle or other similar articles, then package it with shrinking film, finally produce finished products after shrinking by heating, cooling and forming. The packaged product is firmly bound with excellent appearance, which can be opened conveniently. Therefore, it is widely used in industries such as foodstuff, medicine, chemical and other light industrial products.