The cause of sore throat and swallowing pain may be acute pharyngitis, acute tonsillitis, acute epiglottitis. 1. Acute pharyngitis: bacteria, viruses and other infections of the mucous membrane of the throat, resulting in acute inflammatory lesions of the mucous membrane of the throat and oozing, edema, hemorrhage, etc., so it will be sore throat pain swallowing pain. 2. Acute tonsillitis: usually secondary to upper respiratory tract infections, belonging to the acute non-specific inflammation of the tonsils, can appear sore throat, aggravated by swallowing, high fever, fatigue, chills, loss of appetite and other symptoms. 3. Acute epiglottitis: Acute infectious epiglottitis is an acute non-specific inflammation of the laryngeal mucosa in the supraglottic area mainly in the epiglottis. The pain in the throat is exacerbated by swallowing. Swollen throat pain swallowing pain may be related to a variety of factors, it is recommended to consult a doctor to clarify the diagnosis and treatment.