The vacuum feeding machine is used to transfer materials to packing machines or mixing machines. It reduces workers' labor intensity and solves the problem of raw material dust spillover. It is applied to pharmaceutical and food factories through GMP certification, promoting clean and civilized production as first-choice equipment. The whole system design is reasonable and exquisite, consisting of a vacuum pump, stainless steel suction nozzle, soft conveying pipe, PE filter, compressed air blowback device, pneumatic discharging device, vacuum hopper, and automatic material level controller.