A degasification indication structure of aerosol container, wherein a degasification device or a part thereof is attached to a degasified aerosol container so that a stem of the aerosol container is maintained in a pressed state, and a degasification indication is given on the outer surface of the degasification device or a part thereof, whereby, even if degasification is performed without opening a hole in the aerosol container itself, everybody can identify at a glance that the container is already degasified.