Nasal endoscopy is uncomfortable but not painful. It is recommended to go to a regular hospital for the examination. When performing nasal endoscopy, the patient’s nasal mucosa will first be given mucosal surface anesthesia drugs and nasal mucosal astringent, so that the patient’s sensitivity to pain will be reduced and the nasal mucosa will contract to expand the nasal space, and then the nasal endoscopy will be performed, and the majority of the population will not feel any obvious pain. In addition, even if the patient’s nasal cavity is not narrow, when performing nasal endoscopy, due to the friction between the nasal endoscope and the nasal mucosa, it may bring discomfort, but under the correct operation of the doctor, most of the people are still able to cooperate with the completion of the examination, and it is not very painful. For nasal endoscopy, it is recommended to go to regular hospitals for relevant examination and treatment by specialized doctors.