Objective: To investigate the protective effect of Mailuoning on the facial nerve demyelination of Hemifacial spasm and provide the data for therapy of Hemifacial spasm.

• 摘要目的：探讨脉络宁对半面痉挛脱髓鞘面神经的保护作用，为半面痉挛的治疗提供依据。