The invention discloses a pipe sealing and bag manufacturing filling machine, comprising a rack, two pipe conveying devices, two bag supplying devices, two heat sealing devices, two filling devices, two sealing devices, two bag retreating devices and a conveying device; and the conveying device comprises a conveying chain, and a plurality of hanging plates provided with openings are arranged on the conveying chain at equal intervals. The pipe sealing and bag manufacturing filling machine is characterized in that one sides of the hanging plates are articulated with the conveying chain; and a forwarding section and a back passing section of the conveying chain are respectively provided with a pipe conveying station, a bag supplying station, a heat sealing station, a filling station, a sealing station and a bag retreating station in sequence, the devices are all arranged on the corresponding stations, a first turnover mechanism is arranged between each pipe conveying station and the corresponding bag supplying station, a second turnover mechanism is arranged between each heat sealing station and the corresponding filling station, and hanging plate clamping grooves capable of maintaining the hanging plates in a vertical state are arranged between the first turnover mechanisms and the second turnover mechanisms. The pipe sealing and bag manufacturing filling machine integrates the functions of manufacturing packing bags and filling materials, and has the advantages of simple and compact structure, small occupied station and lower fault rate.