To provide an aerosol container lid which can be safely disposed of in a bulkless manner after residual contents are discharged from the container wherein it is possible to determine that the contents have been discharged from an appearance of the container.

A lid to be mounted on an upper part of an aerosol container comprises a cap body formed with a cylindrical portion and a recess on a bottomed cylindrical upper wall, and a discharging member which is detachably fitted witch the cylindrical portion and the recess of the cap body wherein, when it is fitted into a stem of the aerosol container, it can be kept pressurized for discharging contents in the container.