To control a packing box having an IC tag to be operated by using radio waves provided thereon so that the operation of the IC tag is not impaired by radio interference even when the IC tag is provided on the packing box to pack an article of liquid or a metal to cause radio interference.

In the packing box having an IC tag to perform the communication in a non-contact manner by radio waves provided on the outer surface of a box body, a reflection means to reflect the radio waves is made on the inner surface of the box body.