Babies born with the following conditions should be seen at a professional hearing diagnostic center for hearing evaluation and medical examination within 3 months after birth (1) The newborn hearing screening was not passed and the hearing retest was still not passed at 42 days. (2) The baby was admitted to the monitoring ward after birth, and hearing problems were suspected after discharge from the hospital. (3) The baby was born with high-risk factors such as jaundice, hypoxia, and low weight. (4) The baby is suspected to have hearing problems when he/she has a child health checkup (5) The primary hospital or primary health care institution is suspected to have hearing problems but does not have hearing screening equipment.