“Hoarse voice? And cold and flu it, take some cold medicine ……” Many people suddenly become hoarse voice, most are not too serious, some people therefore delayed diagnosis and treatment. In fact, many causes of hoarseness, hoarseness is a common symptom, it is due to laryngeal lesions affecting the quality of the voice, common vocal polyps, vocal cord nodules, chronic laryngitis, acute laryngitis, laryngeal benign and malignant tumors, vocal cysts, vocal cord paralysis, reflux pharyngolaryngitis and so on. Specifically as follows: 1, vocal polyps, vocal cord nodules, chronic laryngitis: patients have excessive pronunciation, such as prolonged speech, shouting, crying for a long time of medical history, or improper use of voice, habitual clearing of the voice, often tobacco and alcohol stimulation of medical history, chronic laryngitis and early vocal cord nodules abnormalities in phonation more intermittent, vocalization a little longer after the voice hoarseness, when the vocal folds lesions are obvious, but also can appear persistent! When the vocal cord lesions are obvious, there can also be persistent hoarseness, while the vocal cord nodules and vocal cord polyps are mostly manifested as persistent hoarseness. 2, accompanied by sore throat, swallowing pain, after the cold fever, may be acute pharyngitis. Severe sore throat, long time does not heal, but also consider the possibility of laryngeal tuberculosis or malignant tumor. 3. Hoarseness of voice, or even ear-piercing, accompanied by laryngeal obstruction, cough, blood in sputum, accompanied by neck mass, older patients should be alert to the possibility of laryngeal cancer; in addition, extra-laryngeal tumors, such as esophageal cancer, lung cancer, thyroid tumors, mediastinal tumors and so on, can also appear hoarseness after compression of laryngeal recurrent nerve. 4. Vocal cord paralysis can also cause hoarseness. Bilateral vocal cord paralysis can also cause dyspnea. 5, sudden loss of voice, or as low as a whisper, but laughing and coughing can be completely normal, may be hysterical hoarseness. Laryngoscopy at this time to see the vocal folds inward abnormally, but after coughing the vocal folds can be normal inward. 6, laryngeal foreign body sensation, accompanied by coughing, easy to sound tired, or have a bedtime delight, or often acid reflux, belching, may also be reflux pharyngitis. 7, in addition to trauma, including cricoarytenoid dislocation, and physical and chemical damage to the larynx can lead to hoarseness. Hoarseness must be examined by laryngoscopy to determine the cause of the disease and effective treatment.