The inability to speak from the throat is mainly seen clinically in the following diseases: 1. Acute laryngitis, most acute laryngitis secondary to upper respiratory tract infection, pneumonia, bronchitis and other diseases. Such patients can be seen to have very obvious bilateral vocal fold congestion, bilateral vocal fold hypertrophy, and individual patients also have a painful sensation in the pharynx during the examination. Clinically, it is recommended to carry out anti-inflammatory treatment, nebulization treatment, and oral medication, such as Golden Voice Open Tone Capsules and Huang’s Sound Pills. 2. Vocal fold paralysis, the cause of vocal fold paralysis may be central, or may be caused by thyroid disease compression, or may be caused by lung cancer or mediastinal lymph node enlargement compression. Clinically, patients with vocal cord paralysis are advised to look for the cause, but there are some patients who have vocal cord paralysis for unknown reasons; 3, malignant tumors of the vocal cords, the common ones are vocal cord cancer, and patients in the middle and late stages may have fixed vocal cords, such patients will have hoarseness; 4, there are other diseases, such as some patients have hysterical loss of voice, there are psychiatric reasons, resulting in patients who suddenly cannot speak.