Plastic surgery is a branch of surgery, also known as plastic surgery or plastic surgery, which mainly treats skin, muscle, bone and other injuries and diseases, as well as congenital or acquired defects and deformities of tissues or organs. Treatment includes repair and reconstruction. Autotransplantation of various tissues is the main means, and allogenic tissues or tissue substitutes can also be used to repair tissue defects or deformities caused by various reasons, so as to improve or restore physiological functions and appearance.