Throat sound, clinically, is mainly seen in the following cases: the first case, preferred in newborns or infants and young children throat sound, mainly manifested as congenital laryngeal cartilage dysplasia, this patient may be caused by a lack of calcium and so on. In the second case, it occurs in older children with laryngeal sounds, which are mostly characterized by laryngeal tinnitus. The common clinical disease is acute laryngitis, manifested as subglottic edema, this lesion has a certain degree of risk, if further development, within a short period of time, the patient can appear three concave signs, respiratory distress and other risks, need to go to the hospital in a timely manner. The third situation, for adults if there is a sound in the throat, clinically there may be chronic laryngitis caused by repeated throat clearing and abnormal sound. It is also possible that the patient has acute laryngeal edema and laryngeal stenosis, which leads to the patient’s laryngeal voice.