Auricular malformation includes three types: auricle redundancy deformity, auricle deformity and microtia deformity. Excessive auricle deformity is corrected by surgical removal of excess tissue. Auricular deformity needs auricle cartilage correction to reflect normal auricle structure, which can be completed in one operation; The operation of microtia is complicated, and costal cartilage or auricular cartilage needs to be transplanted for repair and reconstruction. Generally, it takes 2-3 operations.