Abstract: Thyroid surgery has experienced more than a century of development. From conventional anterior neck incision to various types of endoscopic surgery, minimally invasive and beauty are increasingly valued by doctors and patients. However, there is no unified conclusion on whether all thyroid surgeries performed under endoscopy are minimally invasive surgery, how to define surgical trauma, how to evaluate postoperative physical and psychological trauma, and how scars affect patients. This article reviews the above issues.