PROBLEM TO BE SOLVED: To provide a simplified nasal cavity washer for improvement in symptoms of allergic rhinitis such as pollinosis, by washing a nasal cavity.SOLUTION: The nasal cavity washer comprises a water discharge port 1 which is made thin and small so that a specific part of a nasal cavity can easily be washed, and a body 2 with a fold 3 provided on both right and left sides from the bottom, whose front and back are made flat so that it can be easily pressed with fingers. When the water discharge port 1 is applied to an affected area of the nasal cavity, and the front and the back of the body 2 are pressed, a constant amount of fresh water or the like placed in the body is discharged from the water discharge port 1, and washing can be conducted easily. This washer can be used for washing eyes in a state in which a user faces downward.COPYRIGHT: (C)2012,JPO&INPIT【課題】鼻腔の洗浄をして花粉症等の鼻炎アレルギーの症状を改善する為の簡易鼻腔洗浄器を提供する。【解決手段】鼻腔の特定の部分が洗浄し易いように、細く小さい放水口1と、底から左右両側に折目3を入れ、指で押し易いように前後を平たくした本体2からなっている。放水口1を鼻腔患部に定め、本体2の前後を押した場合、入れた真水などが放水口1から一定量放水されることにより楽に洗浄できる。この洗浄器は顔を下に向けた状態で目の洗浄も可能である。【選択図】図1