The following are the main clinical causes of coarse voice in girls. 1, congenital heredity, may be related to parental genetic factors, such patients may be born with wider and thicker vocal cords, easy to appear coarse voice, it is difficult to change. 2, may not usually pay attention to vocal, loud, excessive vocal, long-term spicy stimulation, smoking and drinking and other bad habits, chronic laryngitis, laryngeal polyp, long vocal cord nodules and other diseases, In this case, it is recommended that patients should first avoid loud talking, develop good vocal habits, avoid stimulation by undesirable factors, reduce coughing, etc. Clinically, you can apply Golden Voice Open Sound Capsules, Huang’s Sound Pill and other drugs to relieve hoarseness, and you can also do nebulization treatment.