To provide a novel substance which can exert a sedating effect safely and effectively through being vaporized and inhaled. A sedative agent for vaporization and inhalation, which comprises 3-methoxy-5-methylphenol as an active ingredient.本發明之課題在於提供一種藉由氣化吸入可安全且有效地帶來鎮靜效果之新穎物質。一種氣化吸入用鎮靜劑,其含有3-甲氧基-5-甲基苯酚作為有效成分。