– Cosmetic surgery is a modern surgical science that integrates medicine and aesthetics, and is a delicate and rigorous medical science and technology that improves or changes the shape of the human body and face through surgical techniques to increase beauty. -The operator must have a high level of medical education and solid basic skills in general surgery, and should also have a high aesthetic concept and a certain appreciation of art. -General surgery is mainly to cure physical pain, preoperative or postoperative generally do not consider the effect of beauty, surgery to fast, accurate for the principle. -Cosmetic surgery, on the other hand, is mainly social and psychological treatment from a therapeutic point of view. Therefore, cosmetic surgery is excision and suturing with minimal damage, also known as high non-invasive hand technique and fine suturing technique. -The special instruments for cosmetic surgery are much smaller and more precise than the general surgical instruments. For example, skin suture needles are smaller than embroidery needles, and sutures are as small as a hair. Standards of practice for plastic and cosmetic surgeons: -A regular plastic surgeon is a responsible medical practitioner, an expert in the management of trauma, an expert in the management of difficult conditions, an expert in artistic design, and a careful surgeon who works in the operating room. Standards of Practice for Plastic and Cosmetic Surgeons – Plastic surgeons are systematically trained. A plastic surgeon must have a formal plastic surgery residency that includes 2-3 years of comprehensive and intensive training in reconstructive surgery and cosmetic surgery. Standards of practice for plastic and cosmetic surgeons – A regular plastic surgeon in China must be a graduate of a formal medical university, have received at least 5 years of residency training, 3 years of basic surgery and 2-3 years of plastic surgery, and have worked in plastic surgery for at least 2 years.