The common diseases of throat inflammation are acute pharyngitis, acute tonsillitis and acute epiglottitis. 1. Acute pharyngolaryngitis: the main manifestation of the pharynx is dry and painful, burning sensation, may also be accompanied by hoarseness, swallowing pain, combined with the mucous membrane of the patients with severe edema, there will also be breathing difficulties. 2. Acute tonsillitis: the common symptom is severe sore throat, mostly accompanied by swallowing pain, and the pain often radiates to the ear. In some cases, there are swollen lymph nodes in the angle of the jaw and tenderness. Weakness of speech due to swelling of the oropharynx. Systemic symptoms include chills, high fever, headache, decreased appetite and fatigue. 3. Acute epiglottitis: it can be manifested as severe sore throat, dysphagia and dyspnea, etc. It can also be accompanied by other symptoms such as fever, headache, fatigue, chills, loss of appetite, foreign body sensation in the throat and slurred speech. Patients with inflammation of the throat should go to the hospital in a timely manner, after a clear diagnosis and treatment.