Protection of the voice first need to know, in normal times to know the correct way to pronounce the voice, to avoid the voice is too loud, and then there is also do not whisper, because this situation in the clinic is called whispering, on the vocal cords is also will cause some damage. Dietary aspects try to avoid some spicy and stimulating food, drink more water, control smoking and alcohol and other bad habits. If once the problem needs targeted early treatment, such as vocal folds on the common diseases vocal cord nodules, vocal polyps, etc., generally vocal cord nodules in the early stages of the onset of the disease, it is possible to actively through drug therapy, and then control the voice. Vocal polyps to the late stage, can only be solved by way of surgery, conservative treatment is no effect.