I. Voice care 1. Exercise regularly to strengthen the body’s resistance and prevent respiratory diseases. Reasonable nutrition and normal work and rest routine. Scientific food for health. 2. Speak in moderation and try to use body language to communicate with children. 3. Maintain an optimistic and positive working condition and enhance the positive coordination of vocal organs. 4. Eliminate unfavorable factors of voice hygiene and change bad habits and behaviors. 5. Actively perform voice exercises to strengthen the ability of vocal muscle groups. Second, voice fatigue exercise therapy 1, one of the effective ways to restore voice fatigue “bubble sound” exercise. Do this exercise to relax the face, neck and chest muscles, with the support of weak breath, blowing the vocal cords with breath, issuing one bubble sound, bubble sound should be even and clear, the breath should not be too much when practicing. This method can play a role in massaging the vocal cords for people with vocal cord fatigue or vocal cord disease, and it is effective for vocal cord redness and bruising, and small nodes. 2, restore the voice fatigue effective method of the second rely on the vocal cords on the long tone exercise. First of all, relax the larynx, open the throat, sigh gently on the breath, have a lazy feeling of relying on the vocal cords to send long tones, use their most comfortable mid-bass region, the voice is always dragged by the breath movement, the volume is smaller. 3, the recovery of voice fatigue effective method of the third tongue out exercise. The smile muscle is raised, the mouth is opened in the horizontal and vertical direction, the jaw is relaxed, and the tip of the tongue drives the whole tongue outward as far as possible, stretching alternately. This exercise can be done before pronunciation to open the voice and after pronunciation to relieve vocal fold fatigue. According to the author’s experience, it is advisable to start vocalizing slowly after a week, but not too much. The volume should be moderate, without intentionally depressing the voice to make the vocal cords fatigue.