To provide a medium for entrance which can be reused and issued repeatedly to different persons even for the medium for entrance having a storing means and in which resource saving can be attempted.

A non-contact type IC tag with a storing means is embedded in a base material sheet of the medium for entrance. In the storing means, an identification number different on every medium for entrance and information related to the effective period of the medium for entrance are stored, and on the surface of the base material sheet, the identification number and classification information on the effective period are displayed.