The baby’s throat is dumb and clinically divided into the following cases: first, acute laryngitis, which may be related to viral or bacterial infection, the baby can appear barking cough, shortness of breath, breathing difficulties, hoarseness, crying and other related situations, this disease, once discovered, requires active antibiotic treatment, hormone therapy, nebulizer treatment, etc., the onset of this disease is more acute. Second, chronic laryngitis, the onset of this disease is longer, may have a certain relationship with the baby often crying, clinical can appear chronic congestion of the vocal cords and other related changes. Third, clinically very rare, some patients may be due to the influence of the mother at birth, some human papilloma virus infection, manifested as the larynx appear papilloma hyperplasia, resulting in patients appear pronunciation difficulties performance, clinical attention should be observed, if necessary, surgery and other treatment.