Abstract:It has been important but difficult to protect the recurrent laryngeal and superior laryngeal nerve during thyroid and parathyroid surgery. Traditional measures as visual exposure and area protection adopted by surgeons were limited in application because of narrow operating space. As a good application of neuroelectrophysiology in clinic, the intraoperative neuromonitoring helps to reduce the operation difficulty and shorten the operation time as well as preferably protect the recurrent laryngeal and superior laryngeal nerve during thyroid and parathyroid surgery. Combined with the latest research progresses, this article reviews the principles, the specific classification, the application in laproscopic surgery and the circumvention of unfavorable factors of neuromonitoring.