Phlegm on the vocal cords and a hoarse voice are usually symptoms of acute laryngitis, while vocal cord tumors need to be guarded against. Acute laryngitis; acute diffuse catarrhal inflammation of the laryngeal mucosa mainly in the vocal folds. Mostly occurs in the cold and flu, viral infection based on secondary bacterial infection leads to. The main manifestations of hoarseness, feel a slight pain in the larynx, voice laryngeal pain aggravated, laryngeal secretion increased, because of the thicker, often not easy to cough up, adhere to the surface of the vocal folds aggravate the hoarseness of the voice. Hoarse voice, phlegm need to be alert to the vocal cord malignant tumors, generally have hoarse voice, cough, increased secretion and other symptoms, most of the sputum with blood phenomenon. The patient is advised to consult a doctor in time for a laryngoscopy examination to make a clear diagnosis and treatment.