Vocal cord nodules should pay attention to prevention as the first, health care as the priority, reasonable diet. Specific precautions are as follows: 1, pay attention to voice rest, do not overuse the voice, causing vocal fatigue. Teachers should pay special attention to the phenomenon of voice fatigue; 2, diet, pay attention to the diet with a light focus, do not eat spicy stimulation, acid, baked, fried food, do not smoke and drink, do not stay up late, do not shout loudly to stimulate the vocal cords; 3, regular life does not stay up late, follow the laws of nature, respect the balance of yin and yang in Chinese medicine, it is recommended to go to bed at about 10:30 pm; 4, strengthen exercise, enhance physical fitness, reduce colds and so on.