[Problem] Conventional hand pieces for spraying powder had the issues of: needing to make the medicine, etc., to be sprayed into powder beforehand and house same； and, as a result, the hand piece and a device connected to the hand piece requiring a housing section having sufficient capacity for same, and the device inevitably increasing in size. [Solution] The present invention provides a hand piece for spraying powder, capable of grinding pellets and generating powder inside the hand piece, and comprising: a pellet housing section for housing pellets； a powder generating section that grinds housed pellets and generates powder； and a spraying port that sprays the powder that has been generated in the powder generating section.
