There are mainly four kinds of packing box at present which are used widely in the different productive and managing field, that is, the corrugated carton, woody box, synthetic plate box and plastic box. These four packing boxes are monofunctional, their performances such as sealing, dustproof, rainproof, sun-proof and waterproof etc, are poor. In the mean time, they could be imitated easy. U.S. Pat. No. 2, 550, 088 has provided a packing box which is connecting the peripheries of box walls with each other by the hinges; A new packing box is designed by a chinese patent 94208402.0 in which the imitation could be prevented. The present invention based thereon developes now once more a multifunctional hard packing box through many experiments.