A hoarse throat after a fever may be caused by an upper respiratory tract infection. Acute upper respiratory tract infection, a general term for acute inflammation of the nose, throat or larynx. There are symptoms such as fever, headache, nasal congestion, runny nose, sore throat, cough, phlegm and hoarseness. Most are caused by viral infections, and a few are caused by bacterial infections. Fever caused by upper respiratory tract infection, after the fever subsides, the inflammation of the throat is not healed, so it can show the symptoms of hoarse throat. The main treatment is to drink more water, eat a light diet, avoid tobacco, alcohol and spicy stimulating food. Silence rest, can follow the doctor’s instructions for ultrasonic nebulization therapy, the application of inhalation budesonide suspension, reduce the vocal cord edema. Apply golden voice open sound pill to treat hoarseness of the throat symptomatically. When the patient has the symptoms of hoarseness after fever, it is recommended to go to the hospital in time, and under the guidance of the doctor for treatment.