The present invention enables a mobile terminal to perform communication with a plurality of types of reader/writer apparatuses provided with a control program having a function to identify or authenticate an RFID tag. Provided are: an application 15; a GPS processing unit 11 for retrieving current location information of a mobile terminal 10; an RFID tag processing unit 12 for receiving a signal in accordance with a carrier or command generated by a reader/writer apparatus 41 and outputting a trigger; and a terminal controller 14 for operating the application 15 in response to the trigger, wherein the application 15 retrieves, from the mobile terminal 10, personal information including identification information of a user 40 of the mobile terminal 10 or identification information of the mobile terminal 10, and information regarding a date and time when the application 15 operated or a date and time when the reader/writer apparatus 41 and the RFID tag processing unit 12 performed communication with each other