Vocal fold polyps, vocal fold nodules, chronic laryngitis and other vocal fold voice lesions may occur again even after surgery or other treatments, if the vocal habits are not corrected properly. Therefore, it is important for voice patients to pay attention to correct voice training in addition to medication and surgical treatment. 1. Do not use your voice excessively. Excessive use of the voice is the abuse of the voice that exceeds one’s ability (use of voice). The vocal ability of each person has three aspects: pitch (frequency range of voice), strength (tension of vocal cords), and time (time to pronounce the voice). 2, actors singing and teachers should not eat too much before teaching, and it is better not to eat two hours before. 3, the vocal cords have physiological changes during the voice change period, menstruation period, and pregnancy period. 4, bad habits, such as smoking, alcohol, chili addiction and cold drinks after singing, are not good for the laryngeal organs. Therefore, we should try to change such habits. 5. We should change the habit of clearing the throat. Many people may often use this action to cough up phlegm in the throat or to make their voice clearer, but this action makes the vocal cords instantly and severely stretched, which can easily cause vocal cord damage. 6, vocal cord polyps, vocal cord nodules after surgery is best to abstain from sound for more than 1-2 weeks. 7, pay attention to voice rest when you have a cold, especially after a cold with hoarseness, or have been diagnosed with laryngitis. 8, soprano singing because the vocal cords are too tightly closed The two sides of the vocal folds rub against each other, so the occurrence of singing occupational disease is more! The first thing you need to do is to use as much bass as possible to prevent vocal fold friction. 9, teach children not to shout, especially active male children, easy to suffer from vocal fold nodules. 10, hoarseness often occurs in the case of laryngeal muscle fatigue, laryngeal muscle fatigue is generally more difficult to recover! The professional vocalist should pay attention to the muscle needs to get regular rest in practicing voice.