Disclosed is a powder inhaler which does not require shaking and can be efficiently operated. The powder inhaler is provided with a housing (1) equipped with an inhaling opening a containing section provided in the housing and containing medicament powder (4) and a medicament conveying section provided in the housing. The medicament conveying section has 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 (7) is provided in the containing section for stirring the contained medicament powder. An operating button (3) is 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.
