A sore throat can be caused by acute pharyngitis, acute epiglottitis, acute tonsillitis, etc., which need to be treated according to different causes. 1. Acute pharyngitis: mainly caused by viral or bacterial tonsillitis, there may be pain in swallowing, loss of appetite, fatigue and other symptoms. 2. Acute epiglottitis: usually caused by bacterial infection or allergy, mainly manifested as hoarseness, sore throat, etc., and in severe cases, dyspnea and dysphagia may occur. 3. Acute tonsillitis: mainly caused by type B hemolytic streptococcus infection, the tonsils are red and swollen or suppurative, causing sore throat and swallowing pain. The throat is very sore swallowing pain, and may be caused by throat tumors, ulcers, etc., should actively seek medical system checkups, clear diagnosis and standardized treatment.