Most auricle deformities are caused by congenital causes. The types of deformity include: ① One or both auricles are missing, often accompanied by external auditory canal and middle ear malformation. ② Abnormal development of small ears and auricles. (3) Accessory ears or multiple ears, in addition to the normal auricle, there are auricle-like structures or vegetation in the tragus, cheeks or the front of the upper neck, which may be accompanied by abnormal maxillofacial development. Four ears. ⑤ The giant ear and auricle are over-developed, showing that the whole auricle is enlarged or a certain part of the auricle is enlarged. The latter is more common. Surgical treatment can be used, and the age of operation should be determined according to different situations. For example, simple appendectomy or multi-ear excision should be performed before the start of school to avoid psychological trauma caused by students' comments after school, which is not conducive to children's physical and mental health. If it is bilateral small ears or no ears, accompanied by external auditory canal and middle ear malformation, hearing impairment, it is also suitable for surgery before admission.