Acute pharyngitis is caused by the invasion of viruses or bacteria after a decline in the body's immunity and resistance, leading to acute mucosal lesions in the pharyngeal area. Patients will experience sudden high fever with a body temperature above 38 degrees Celsius, severe pain in the throat, primarily pain during swallowing, and symptoms including dryness, itching, foreign body sensation, obstruction, burning sensation, and irritative cough in the throat. Patients may also exhibit symptoms of coughing phlegm and blood-streaked sputum. Examination with an electronic laryngoscope reveals congested and edematous mucosa in the throat, particularly noticeable on the soft palate and uvula, with yellow purulent secretions found on the posterior pharyngeal wall and base of the tongue. Treatment involves symptomatic anti-inflammatory therapy, where patients may take cephalosporin antibiotics orally or through infusion, which yields good results. Additionally, nebulized inhalation is used to alleviate local congestion and edema, with gradual recovery expected in about seven to ten days. (Medication should be used under the guidance of a doctor.)