To do spraying operation and the alignment of inhalation the inhalation auxiliary instrument which makes easy is offered in the quantitative spraying type inhalator. In order to cover the aerosol container insertion opening of the quantitative spraying type inhalator, it is installed by the said quantitative spraying type inhalator, grants air-flow resistance to the said quantitative spraying type inhalator, the inhalation auxiliary instrument for the quantitative spraying type inhalator.定量噴霧式吸入器において噴霧操作と吸気の同調をしやすくする吸入補助器具を提供する。定量噴霧式吸入器のエアゾール容器挿入口を覆うように該定量噴霧式吸入器に装着され、該定量噴霧式吸入器に通気抵抗を付与する、定量噴霧式吸入器用吸入補助器具。