Vocal cords are very important organs of the human body, its main function is to vocalize, and then combined with the cooperation of the mouth and nose to send out a personal unique voice, it is because of the vocal cords, people can communicate with each other, or with friends to talk eloquently, or whisper with lovers, or to lead a song, or openly laugh, which all make our life become colorful. Although the vocal cords for the vocal organs, but inappropriate vocal or bad habits may bring damage to our vocal cords, such as vocal polyps and vocal cord nodules, is more common chronic inflammation of the larynx, due to long-term use of excessive or improper use of voice, common in the classroom teachers, or more than the natural range of the singer and singers, but also more often seen in long-term smokers. The location of the lesion is mostly in the anterior middle third of the vocal folds, which is initially a small submucosal hematoma, and then gradually develops into a small knot through mechanization. In the early stage, high pitched sounds are ruptured, and the voice is easily fatigued and does not last long. Later, it gradually worsens, and most of the sounds are ruptured (sandy) and obvious (mute). Hoarseness also develops from intermittent to persistent. In recent years, the incidence rate of laryngeal cancer has obvious rising trend, and laryngeal cancer has jumped to the first place of head and neck tumors. This is closely related to the prevalence of bad habits such as smoking and drinking. Therefore, we should treat our vocal cords well in our life, pay attention to our voice, try to avoid shouting too loudly, don’t pursue too much skill when singing, and keep away from smoking and drinking for the health of our vocal cords. There are also lesions of the vocal cords often early vocal fatigue, hoarseness, these symptoms should be as soon as possible to find out the cause of medical treatment.