Whether damage to the vocal folds can be recovered or not needs to be assessed according to the degree of damage as well as the cause. Most of the mild damage can be recovered, while severe damage may not necessarily be recovered. 1. If the vocal folds are damaged due to congestion and edema of the mucosal surface of the vocal folds caused by acute and chronic laryngitis, vocal cord nodules, etc., the degree of this kind of damage is generally mild, and most of the damage can be recovered, and the follow-up will not have too much effect. 2. If the lesion of the vocal cord is large, such as vocal polyp; or because the tumor lesion involves the muscle layer of the vocal cord, such as vocal cord cancer invades the muscle layer and causes the vocal cord to be fixed and the voice to be hoarse, this kind of damage is more serious, and the possibility of complete recovery is small, and the quality of voice may be affected to a certain extent, and further surgical treatment is needed. 3. Laryngeal nerve injury caused by trauma or medical factors, this situation is more difficult to recover. If the function of the recurrent laryngeal nerve cannot be restored after 6 months of conservative treatment, nerve reconstruction or fat filling of the vocal folds can be considered to improve voice quality. If the vocal folds are damaged, it is important to seek medical attention to determine the cause of the damage and the extent of the damage, and to treat the damage appropriately.