The products packaged by the shrink packaging machine can be sealed, moisture-proof, and impact resistant, suitable for tightly wrapping multiple items and pallet packaging; The digital display computer is capable of temperature control and has a small temperature difference; Stable and reliable, low noise, and long service life; During the shrinkage process, it does not affect the quality of the packaging, but can shrink quickly. The packaged product can be sealed, moisture-proof, and impact resistant, suitable for tight packaging of multiple items and pallet packaging.