A powder inhaler which does not require shaking and can be efficiently operated.The powder inhaler is provided with a housing equipped with an inhaling opening a containing section provided in the housing and containing medicament powder a medicament conveying section provided in the housing , having at least one recess for receiving therein a predetermined amount of the medicament powder, and capable of taking, relative to the containing section, both a receiving position at which the medicament conveying section receives the medicament powder from the containing section and an inhaling position at which a user can inhale the medicament powder from the inhaling opening a stirring member provided in the containing section and stirring the contained medicament powder and an operating button mounted to the housing and capable of moving between an initial position and a pushed-in position. When the operating button reciprocates between the initial position and the pushed-in position, the recess in the medicament conveying member moves from the receiving position to the inhaling position and, at the same time, the stirring member operates.
