Shuguang expert mandibular angle plastic surgery is suitable for those with obvious hypertrophy and ectropion of mandibular angle, which is obviously square or trapezoidal face; Maxillary angle plastic surgery can effectively improve unilateral or bilateral mandibular angle protrusion and bilateral asymmetry; Mandibular angle plastic surgery is suitable for beauty seekers whose facial width ratio is not harmonious and the distance between the two mandibular angles is close to or greater than the width between the two zygomatic processes.