The invention discloses a vacuum packaging machine facilitating food fixing. The vacuum packaging machine comprises a main body, the bottom of the main body is fixedly connected with moving wheels through bolts, and one side of the main body is fixedly connected with a control panel through bolts; a KS02Y controller is arranged on one side of the control panel; one side, adjacent to the control panel, of the main body is fixedly connected with a first protection frame through bolts, and the other side, adjacent to the control panel, of the main body is fixedly connected with a second protection frame through bolts; and the inner part of the main body is fixedly connected with a partition plate through bolts. According to the vacuum packaging machine, a first driven wheel, a first conveyingbelt, a first motor, a first outer frame, a first ascending motor, a first screw rod, a first ascending plate, a second conveying belt, a second motor, a second outer frame, a second ascending motor,a second driven wheel, a second ascending plate and a second screw rod are arranged, the first ascending plate and the second ascending plate move to move a packaging bag to a proper position, so that the carrying efficiency of a user is improved, and the working efficiency of a user is improved.