The newborn hearing screening strategy currently used nationally and internationally is universal newborn hearing screening (UNHS), which is the use of electrophysiological detection techniques to screen all live-born newborns for hearing. Otoacoustic emission (OAE) and automatic auditory brainstem response (AABR) are the main methods of newborn hearing screening, which can be divided into transient evoked otoacoustic emission (TEOAE) and distortion product otoacoustic emission (DPOAE). The results are indicated by “pass” and “fail”. Both methods are quick, easy, sensitive, accurate, stable, and non-invasive, and can quickly screen newborns for possible hearing loss.