Volatilizing apparatus

A volatilizing apparatus for volatilizing a volatile agent, comprising: a container comprising a container body and a lid covering the container body. The lid is attached to the container body through a hinge member so as to open and close with respect to the container body. One of ends of a volatilizing body is fixed to the inner face of the container body, and the other of the ends of which is fixed to the inner face of the lid. The volatilizing body has a laminated honeycomb structure, holds the volatile agent, and is adapted to be contained in the container under the closed state of the lid and to expand between the container body and the lid under the open state of the lid.