Dumbness generally refers to hoarseness, this symptom may be caused by excessive use of the voice, acute laryngitis, vocal cord nodules, etc., hoarseness needs to be clarified first to determine the cause of the disease, according to the cause and symptoms of targeted treatment. 1. Excessive use of the voice: excessive use of the voice for a long time and excessive volume of speech can cause hoarseness. It is recommended that patients reduce the frequency of speech, so that the vocal cords can rest, after the acute edema subsides or can relieve the symptoms. 2. Acute laryngitis: often caused by viral infections, the main symptoms are fever, hoarseness, cough. Ribavirin, acyclovir and other drugs can be used for antiviral treatment. Hydrocortisone can be used to reduce swelling of the vocal cords. 3. Vocal cord nodule: the main symptom is hoarseness, which may develop from intermittent episodes to persistent hoarseness. Fiber laryngoscopy, support laryngoscopy under the vocal cord nodule excision treatment. The causes of hoarseness are many, it is recommended that the patient go to the hospital in time, after a systematic examination to clarify the cause of the disease, and follow the doctor’s instructions to standardize the use of medication and treatment.