Laryngoscopy includes indirect laryngoscopy, electronic fiberoptic laryngoscopy, dynamic laryngoscopy, and strobe laryngoscopy. The most commonly used is electronic laryngoscopy, in which a hose is passed through the nasal cavity, through the nasopharynx and into the larynx, which allows for the examination of pertinent tissue structures through which the path passes. Doing a laryngoscopy is generally not harmful to the nose or throat. If the nasal cavity is narrow such as nasal septum deviation, turbinate hypertrophy or violent operation, it may induce nasal mucous membrane damage, if the area is not large, generally can be healed by itself, pay attention to avoid blowing the nose, otherwise there are induced bleeding, physiological seawater rinsing and cleaning or drops of compound mint nasal drops moisturizing. Doing laryngoscopy generally does not cause damage to the nose and throat, try to cooperate with the doctor’s operation, if there is any discomfort timely feedback, avoid swinging the head at will.