皮瓣或肌皮瓣已广泛地被用来修复头颈部及口腔颌面部组织缺损，但近年来研究发现皮瓣或肌皮瓣在修复口腔和口咽部组织缺损中有一些缺点．如肌皮瓣在口腔内常因体积太大而过于臃肿；口腔内有时长毛发有碍卫生；供区出现皮肤缺损需另取皮片覆盖消除创面，如供区直接拉拢缝合... Flap or myocutaneous flap has been widely used to repair head and neck and oral and maxillofacial tissue defects, but in recent years, studies have found flaps or myocutaneous flap in the repair of oral and oropharyngeal tissue defects have some shortcomings. Such as myocutaneous flap in the mouth due to the volume is too often too bloated; sometimes the long-haired oral cavity is impeded health; for the area of ​​skin defects need another skin cover to eliminate the wound, such as for the area directly draw suture ...