VACUUM PACKAGING MACHINE

To provide a vacuum packaging machine in which the drain operation program is executed at an appropriate timing without interrupting the work of vacuum packing the packaging bag.SOLUTION: A vacuum packaging machine 10 includes a control device 70 having a packaging program that controls the operation of an oil rotary vacuum pump 40 and a sealing device 30 to vacuum-pack a packaging bag stored in a chamber 20 and an operation program that vaporizes water contained in the oil rotary vacuum pump 40 and drains water by operating the oil rotary vacuum pump 40, and an operation panel 60 having a switching operation switch 61a for switching between a state in which the packaging program can be executed and a state in which the packaging program cannot be executed. The control device 70 includes an automatic drain program including switching determination means for determining that the packaging program has been...