During the process of nasal endoscopy, patients will have different degrees of discomfort, but generally speaking, this feeling is not particularly strong, and most patients can successfully complete the examination. Before the examination, patients can be anesthetized with anesthesia drugs for surface anesthesia, after anesthesia, the patient’s pain will be significantly reduced, in the process of the examination may be mild pain or nasal foreign body sensation, but it will not be particularly noticeable, because the examination will not be particularly long in a few minutes or so can be completed. During the examination, it is necessary to pay attention to the cooperation to avoid nosebleed or other serious complications. Overall, sinusoscopy is a routine examination, through which you can determine the lesions in the nasal cavity and sinuses, which helps in clinical diagnosis.