Electronic laryngoscope can see the hypopharynx. It can detect hypopharyngeal diseases through high-definition images and provide a reliable basis for early diagnosis of diseases. The hypopharynx refers to the part located between the upper edge of the epiglottis and the lower edge of the cricoid cartilage, including the pyriform fossa, the posterior region of the cricoid cartilage and the posterior wall of the laryngopharynx. Electronic laryngoscope can examine the whole pharynx, including nasal cavity, nasopharynx, oropharynx, hypopharynx, larynx, and can even penetrate into the trachea to understand the situation of trachea, so electronic laryngoscope can see the hypopharynx. In addition to the observation of the mucosa of the pharynx and the lymphatic situation. Electronic laryngoscope can provide high-definition, high-brightness images, often can check out the epiglottis cysts, vocal polyps, vocal cord nodules, vocal cord paralysis, laryngeal cancer or laryngeal swelling and other diseases, early diagnosis, in order to be early treatment.