The following types of diseases are clinically included: 1, inflammatory, common are acute pharyngitis, acute tonsillitis, such patients appear in the pharynx when swallowing obvious pain, so that patients do not dare to do swallowing movements; 2, peri-tonsillitis, peri-tonsillar abscess, such patients because of inflammation involving the pharyngeal contraction muscle next to the patient may appear restricted mouth opening, the patient pain is mostly unilateral The pain is mainly unilateral; 3. acute epiglottitis, in addition to swallowing pain, such patients may be accompanied by dyspnea and other discomfort, clinical indirect laryngoscopy can see the obvious congestion and swelling of the epiglottis, the epiglottis lifting activity is limited; 4. malignant tumors of the pharynx, some patients such as hypopharyngeal cancer, when patients do swallowing movements, the cancer local ulceration, erosion, may appear Painful sensation. Clinically, when patients have pain in swallowing, it is recommended to go to ENT department for detailed examination of oropharynx and hypopharynx.