The structure of the Ear - Nose - Throat is a cavity that communicates with each other and with the outside, so the pathology of the ear, nose and throat is not a disease of each part but is related to and directly affects other parts. When having a sore throat, it will cause rhinitis, laryngitis because the throat - nose - larynx communicate with each other; sore throat - rhinitis is often the cause of sinusitis.