What's the difference between plastic surgery and eye surgery? Cutting double eyelids belongs to the plastic surgery room. Plastic surgery is a branch of surgery, also known as plastic surgery or plastic surgery. The scope of treatment is mainly skin, muscle and bone trauma, diseases, 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.