Infantile auricular morphology is a kind of auricular developmental deformity, due to the many causes of auricular morphology abnormalities, at present, it is usually believed that there is a relationship with heredity, intrauterine infections, and neonatal overweight and other factors. 1. Heredity: especially the genetic factor accounts for more, if the parents have a similar situation, the child is likely to appear. 2. Intrauterine infections: Cytomegalovirus infection, rubella virus infection, etc. may cause abnormal development of the auricle along with inner ear deformity. 3. Newborn overweight: If the child is born as a huge weight baby, it will be due to the limited space in the intrauterine environment at the time of pregnancy, which leads to the abnormal development of the inner ear auricle. Abnormalities in the shape of the auricle of an infant require prompt medical attention and early treatment. The earlier the treatment, the better the result, and can be corrected by wearing ear molds under the guidance of the doctor.