To provide a wireless tag information communication device and a wireless tag circuit element cartridge, in which the miniaturization of the device can be attained.

The wireless tag information communication device includes a cartridge holder 19 for detachably holding a cartridge 100 storing a substrate tape 101 on which a wireless tag circuit element To having an IC circuit 151 storing information and an antenna 152 connected to the circuit 151 are disposed to be continuously feedable; and first and second device-side loop antennas 305A and 305B provided on one side and the other side of a plane substantially orthogonal to a plane direction in a carrying passage of the base material tap 101 of the cartridge holder 19 across the carrying passage at the time of installing the cartridge 100 to the cartridge holder 19, and excited and driven in reverse phases, respectively, to perform the transmission and reception of information by magnetic induction with the IC circuit part 151 of the wireless tag circuit element To.

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