Pneumatic suction vacuum packaging machine for plastic film or plastic composite film for packaging materials. Of solid, chemical, electronic components, cotton products such as can be carried out by vacuum packaging; can effectively prevent the oxidation products, mildew, corrosion, damp after packaging, attain the durability, preservation, security flavor, color retention, extend product shelf life and storage period; at the same time the machine is especially suitable for large fluffy products, such as quilt, cotton sweaters, vacuum packaging, so as to greatly reduce the volume, to reduce the space occupied, today is a novel and ideal vacuum packaging machinery.