Abstract
Newborn ear deformity can be treated with baby ear correction as a non-surgical treatment to avoid plastic surgery. In the new born period, the auricle and cartilage bones are elastic, and an abnormality the auricle structure can be corrected by medical action. The purpose of this systematic review is to understand the origins and the treatment of ear abnormalities in patients. The results of a systematic review show that microtia is an outer ear disorder whose cause is not clearly known. However, genetic factors, viral infections, chemical poisoning, and teratogenic medicines in young pregnant women are suspected to be the cause. The conclution is microtia an outer ear condition with skin or cartilage loss forms small, slips off, or only the ear canal is present. Micortia treatment comprises restoring hearing ability and reconstructing the outer ear.