Throat voice is a more sensitive organ of the organism, and when it is injured or invaded by bacteria or viruses it is easy to develop hoarseness. Usually, the causes of hoarseness of the organism’s voice are work factors, pathological factors. 1, work factors: groups engaged in the profession of teachers, actors, hosts are prone to the symptoms of hoarseness because of long hours of speaking and improper pronunciation, the vocal cords will be damaged, causing throat dryness, which will eventually lead to hoarseness. 2. Pathological factors: (1) Trauma: If the larynx is traumatized it is easy to cause dislocation of the cricoarytenoid joint, which leads to hoarseness of the voice. (2) Disease: Usually if there are vocal fold polyps, vocal fold nodules, laryngeal tumors, acute and chronic pharyngitis in the throat area, the body will produce hoarseness due to uneven vibration of the vocal folds and asymmetry. If hoarseness is accompanied by a mass in the neck and blood in the sputum at the same time, it is recommended to go to the hospital for examination, which may be caused by laryngeal cancer. (3) Cold: It is very common to have hoarseness with cold, and patients may also have difficulty in swallowing, so it is recommended to take some medicines to effectively relieve the symptoms. Usually, hoarseness is caused by excessive use of the voice, excessive dryness of the throat, and lesions in the throat. It is also important to observe some other complications to prevent the occurrence of cancer.