Nose washing apparatus is a tool used for cleaning nasal cavity. It is usually use a certain pressure ( or suction, or by gravity, or by mechanical pressure ) physiological saline into the nostril, through the nasal vestibule ( gel in the head outside part), paranasal sinuses, nasal passage around the nasopharynx, nasal discharge or from the side, or from the mouth of the discharge. Through the above path, with the help of saline its bactericidal action and the impact force of water flow, the nasal cavity has been gathered to pathogenic and sewage Hou discharge, so that the nasal cavity restoration of normal physiological environment, restoration of the nasal self detoxification function, to protect the nasal purpose.