Fully automatic paper bag quantitative packaging machine, in a metal cabinet with upper and lower layers, the upper left column screw fixes the bag storage mechanism; opposite to the outlet of the paper bag is the bag taking mechanism; the terminal of the bag feeding mechanism faces the bag opening mechanism and opens The bag mechanism is the equipment of the first range space of the rotating disk; the rotating disk is divided into eight equal range spaces according to the circumferential angle; each space is equipped with a pair of bag clamping clips and the lower bag holder; the corresponding range space position is also Equipped with quantitative filling, tapping, and closing equipment; the next connection is the lower linear conveying and the upper corresponding sealing equipment; the trimming, folding, rolling, bonding and compacting equipment are arranged in a straight line; and through The transmission and palletizing mechanism is connected with the film heat shrink packaging machine; the lower layer of the cabinet is installed, the transposition cam, the feeding cam, the camshaft cam; the pneumatic control and the electric control board are on the side of the cabinet, and the quantitative filling mechanism is set on the cabinet to provide interference feeding The system and the dust suction pipeline are connected; the entire packaging process is fully automatic flow operation, with high automation, accurate measurement, fast packaging speed, and small damage and dust pollution.