Disclosed is a material packing device, which contains a film feed device, a charging device and a packaging film forming enveloping device, and is characterized in that: said film feed device contains a film cutting mechanism; said packaging film forming enveloping device contains a packaging film supporting board fixed on the stand, the supporting board being equipped with material through-holes, all shapes and dimensions of which match with pre-packaging material; and the packaging film forming enveloping device contains a packaging film former above the material through-hole, a material fixing clamping part and material pushing part above the packaging film former, a group of material floor packaging hands and a scalding enveloping plate for enveloping packaging film of material floor between the packaging film former and the material clamping part, and a material lifting part which can send the material to material fixing clamping part from below the packaging film supporting board; the material fixing clamping part and material pushing part which moves vertically. The device can complete automatically the packaging of material, especially the rectangle material, the packaging quality perfect and stable, and the work efficiency high.