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). Each person’s vocal ability has three aspects: pitch (voice frequency range), tone strength (vocal cord tension), and tone time (time to pronounce the voice), beyond which vocal cord lesions will occur. 2, actors singing, teachers should not eat too much before teaching, it is best not to eat two hours before. 3, voice change period, menstruation period, pregnancy period, the vocal cords have physiological changes, the vocal cords tissue is delicate during this period, it is not easy to recover after trauma, this period should pay attention to voice rest. 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, to change the habit of clearing the throat. Many people may often use this action to cough up phlegm in the larynx or 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 as laryngitis. 8, soprano singing due to the vocal folds closed too tight, both sides of the vocal folds rubbing against each other, so the occurrence of singing occupational disease is more! Tip: If you really need to use the voice should be as low as possible to prevent vocal fold friction. 9, teach children not to shout, especially active male children, prone to vocal cord nodules. 10, hoarseness often occurs in the case of laryngeal muscle fatigue, laryngeal muscle fatigue is generally more difficult to recover! In addition, professional vocalists should pay attention to the laryngeal muscle in the practice of voice to get regular rest.