The invention provides an intelligent bagged food packing device. The intelligent bagged food packing device comprises a mounting housing, a feeding hopper, a material injecting pipe, arc-shaped plates, transporting wheels, conveyor belts, decelerators, conveyor motors, first cylinders, a clamping plate, a first heating pipe, a mounting frame, second cylinders, sealing plates, second heating pipes, a PLC, a display screen, a driving switch, an adjustable auxiliary lifting frame structure, an adjustable supporting frame structure, a detachable mounting rod frame structure and a measurable classification plate frame structure, wherein the feeding hopper is mounted at the middle on the upper side of the front part of the mounting housing through bolts; and a material injecting pipe is connected to the lower part of the feeding hopper through a flange. The intelligent bagged food packing device disclosed by the invention has the beneficial effects that the adjustable auxiliary lifting frame structure is arranged, so that after the lifting cylinder is started, different spacings between a bracket and the mounting housing can be achieved, packing bags of different lengths are convenientto locate between the bracket and the mounting housing, and the work of packing foods is performed.