To provide a non-contact type data carrier device coping with metal using a compact non-contact type data carrier inlet part whose size is 10 mm×10 mm or less.

This non-contact data carrier device coping with metal is provided with a non-contact type data carrier inlet part having an antenna circuit part and an IC chip on a base material and a ferromagnetic part for holding the non-contact type data carrier part so as to surround one face and the other side face of the non-contact data carrier inlet part. The ferromagnetic part is composed of ferrite.