随着社会及生活环境的改变、超声诊断在体检过程中的普及，全球甲状腺癌的发病率与检出率逐渐增加。对于甲状腺癌的治疗，目前仍以手术为主。甲状腺术后并发症的发生会使患者的满意度下降。围术期小剂量地塞米松可降低甲状腺术后恶心呕吐的发生率及严重程度，减轻疼痛的严重程度，但小剂量地塞米松会引起甲状腺患者术后血糖升高，而对于切口感染及愈合的影响仍未有明确结论。“,”The incidence and detection rate of thyroid cancer have been gradually increasing all over the world,due to the interaction of multiple factors including constant development of the society and the living environment,ultrasound diagnosis popularization in physical examination.Nowadays,the main treatment to thyroid cancer is still operation.But,there are many complications after thyroid surgery,which results in a decline the satisfaction of the patients.It has been proved that the use of perioperative low-dose dexametha-sone may reduce the incidence and severity of postoperative nausea and vomiting,and the severity of the pain,however which may also elevate postoperative blood glucose after thyroidectomy,and there is still no definite conclusion on its influence on the incision infection and healing .