The causes of sore throat are more, as follows: 1, acute pharyngitis: the most common sore throat is acute pharyngitis, because acute pharyngitis can cause congestion, edema and other acute inflammatory reactions in the throat, which can lead to sore throat symptoms. 2, upper respiratory tract infection: acute epiglottitis, acute tonsillitis and acute upper respiratory tract infections such as the common cold, can cause sore throat symptoms. 3, throat injury: if the throat is stimulated by foreign bodies or neck trauma, resulting in throat injury, the same can produce symptoms of sore throat. 3, throat injury: If the throat is stimulated by foreign objects or neck trauma, resulting in throat injury, it can also produce symptoms of throat pain. 4, other factors: throat ulcers and tumors in the throat can also cause throat pain. Therefore, if persistent throat pain is not relieved by medication, laryngoscopy and CT examination of the neck should be improved in time to make a clear diagnosis.