The vacuum packaging machine packs the tea leaves into the packaging bag, draws out the air in the packaging bag, fills the packaging bag with nitrogen or other mixed gases after reaching the preset vacuum degree, and then completes the sealing process. Scope of application: this product is suitable for vacuumizing, inflating and bagging all kinds of food, meat products, seafood, fruits and vegetables, pickles, chilled meat, medical supplies, hardware accessories and medical devices.