Voice health care should pay attention to what is: 1, master the correct and appropriate vocal method, vocal appropriate amount, avoid excessive use of voice (shouting and long speech), in addition to the work required to complete the pronunciation of speech, try to limit other speaking time, such as reducing unnecessary chat, phone calls, etc.. Reduce the volume of speech and pronunciation at work, try to use microphone in lecture; control the volume of pitch when singing, it is not advisable to sing the high notes that cannot be reached; master scientific vocal methods, such as combined chest and abdominal breathing to increase the airflow of breathing when pronouncing, laryngeal muscle relaxation training (chewing, humming, blistering sound, etc.), avoid hard starting voice and use more soft starting voice. 2. Drink more warm water to keep the throat moist before and after working with the voice, and after using the voice, you can nebulize and inhale the water steam by yourself, or massage around the larynx by yourself to relax the laryngeal muscles. 3, pay attention to diet, avoid or eat less stimulating food, such as spicy food, fried food (melon seeds, peanuts, etc.), barbecue food, too acidic food, too salty food, too sweet food, carbonated drinks (Coke, Sprite, etc.), caffeine drinks, raw and cold food, etc. 4, quit smoking and alcohol, to avoid the stimulation of harmful substances to the throat and vocal cords. 5, pay attention to the regularity of life, reasonable, combined with work and rest, avoid excessive fatigue, to ensure adequate sleep time. 6, avoid cold, cold, pay attention to climate change, increase and decrease clothing at the appropriate time. Pay attention to cold and warmth in winter, wear a mask outside; pay attention to summer heat, do not spend a long time under the electric fan or air conditioning to get cool. 7, reduce air pollution, maintain indoor air circulation in the work and living environment, and minimize exposure to kitchen fumes. Wear a mask outside to block the dust, less to go to places with poor air circulation (such as large supermarkets, nightclubs, karaoke halls, bars, etc.). 8, strengthen physical exercise, improve the body’s immune resistance to disease, expand lung capacity, and enhance vocal activity. Prevention and treatment of hoarseness 1. Vocal rest: Those who use their voices excessively must reduce the time of using their voices, speak as little as possible, reduce the volume of their voices, and for those with severe hoarseness, it is better to ban their voices. 2.Local treatment: Apply hormone nebulizer inhalation, tablets, sprays, patches, etc. 3, oral medication: vocal cord edema can be obvious oral hormones and anti-allergic drugs, but also oral some clearing the throat, laryngeal, open sound of proprietary Chinese medicine. 4, acupuncture treatment: can promote local vasodilation of the larynx, blood flow increases, blood viscosity decreases, vocal fold inflammation and hyperplasia tissue elimination. 5, physical therapy: ultra-short wave, direct current, drug iontophoresis, etc., can increase the larynx blood circulation, eliminate inflammation. 6.Laryngeal massage: it can unblock the meridians, harmonize the qi and blood, relax the muscles and relieve fatigue. 7.Pronunciation correction: master the correct vocal method, including psychological guidance, breathing training, voice training, tone correction, chewing training, humming training, etc. 8, surgical treatment: benign vocal fold growths (nodules, polyps, etc.) can be removed under electronic fiber laryngoscope, laryngoscopic microsurgery, etc.