The common causes of hoarseness are as follows: 1, acute or chronic laryngitis, acute laryngitis is mainly due to bacterial infection resulting in mucosal congestion, vocal cord congestion, edema, chronic laryngitis is due to their own bad habits, such as frequent smoking, drinking alcohol, and excessive use of voice or improper use of voice; in terms of treatment, acute laryngitis requires the symptomatic use of antibiotics, and then with the use of open sound pills; if available, patients can do ultrasound nebulizer inhalation treatment; 2, other diseases of the vocal cords. The former can be treated by medication, such as the use of loose knot pills, open tone pills combined treatment, the latter once diagnosed patients The former can be treated by medication, such as the combination of the Dissemination Pill and the Open Tone Pill, while the latter, once diagnosed, needs to be resolved by surgery.