There are many powdered foods we see in daily life, such as: coffee, seasoning powder, milk powder, flour, soda powder, edible salt, lotus root starch, white jelly powder, milk tea powder, ice cream powder, etc. The working principle of the multi-functional powder packaging machine is a device used to pack products and protect them. Fill vertically. Packaging machinery equipment is mainly composed of weighing equipment, transmission system, horizontal and vertical sealing equipment, forming machine, filling tube and film pulling organization, so the working principle of the multi-functional powder packaging machine equipment is the roll film placed on the supporting equipment, Winding guide roller group, tension equipment and photoelectric detection and control equipment detect the orientation of the packaging material trademark image, and are wound by the former. The longitudinal heat sealer vertically heat seals the film at the interface wound on the cylinder to obtain a sealed tube, and then moves the cylindrical film to a horizontal heat sealer, and seals it horizontally to form a packaging bag tube. The metering equipment of the equipment fills the measured items into the packaging bag through the upper filling tube, and then heat-seals it by a transverse heat sealer and cuts it in the center to form a packaging bag unit body, and at the same time form the bottom seal of the next tube bag.