Singing is also one of the human instincts. We all like to express our life and mood in the form of singing. The words, song and mood of a song form a unified, complete and distinct artistic image that is heartfelt, touching and refreshing. Singing is always an important art form for people to express their thoughts and emotions. The most precious musical instrument in the world is the human vocal cords. It is the material basis for singing and vocalizing. People want to have a beautiful voice, therefore, Yisong reminds us that it is very important to protect our voice. In our daily life, some people use our voices in an uncontrolled way, singing and talking endlessly when they are happy, arguing and shouting when they are angry, which can easily cause damage to our voices. Especially if we don’t get enough sleep or rest, abusing our voice can cause hoarseness, broken voices, and even loss of voice in serious cases. Voice abuse can lead to transitional mucosal congestion, edema and even submucosal hemorrhage, vocal dysfunctional vocal fold and mental and psychological fatigue. This damage, if not treated in time, can cause voice diseases such as vocal fold polyps and vocal fold paralysis, and lose the ability to speak and sing normally. When there is a problem with the voice, it is necessary to receive proper voice training courses.