Baby throat sound, may be congenital developmental abnormalities, bronchitis and other causes. 1. baby throat sound, may be the baby exists congenital laryngeal cartilage dysplasia, resulting in the airway is not smooth appear laryngeal sound, this situation with the gradual increase in the age of the baby will subside on their own. 2. If the baby suffers from bronchitis and other diseases, causing high airway reaction, there will be an increase in airway secretions, wheezing, and so on, thus showing the phenomenon of the voice of the throat, part of the baby will be accompanied by fever, cough, shortness of breath and other symptoms. When the baby has a voice in the throat, we should bring the baby to the hospital pediatrics in a timely manner, to clarify the specific causes of the disease and then give targeted intervention treatment.