✔ 最佳答案
Plastic surgery refers to change physical appearance through surgical operation. Many people think that understanding for orthopedic plastic surgery, but it is different. Cosmetic surgery is not physical defects or disabilities, is a party for their own personal preferences or other non-medical reasons, to surgery to change his appearance, surgery is not necessary. Correction it is because of illness, factor or the day after tomorrow in which permanent physical defects or disabilities, through to surgical remedy or rectify, and such surgery often is necessary or required.