Wireless tag communication apparatus and wireless tag communication method

A wireless tag communication apparatus, comprising:

• an antenna configured to receive a radio wave transmitted from a wireless tag;
• a reading device configured to read, on a basis of the radio wave received by the antenna, tag data including an identification code of the wireless tag;
• and
• a cross-check device configured to check the identification code of the wireless tag read by the reading device against a box list that is a list of identification codes of wireless tags attached to shipping boxes to identify a shipping box to which the wireless tag read by the reading device is attached, and
• create a shipping list that is a list of the identification code of the wireless tag attached to the identified shipping box and identification codes of wireless tags attached to articles put in the shipping box.