This machine only needs to press the vacuum chamber cover to complete the whole process of vacuuming, sealing, cooling and exhausting according to the set procedure. The vacuum-packed items can prevent oxidation, mildew, moisture, and extend the storage period of the product. Mainly suitable for food, electronic products, chemical products, metal hardware and other hardware products. Economical, convenient to move, light and handy, good packaging effect, low energy consumption, suitable for small batch product packaging.