Bell’s麻痹是茎乳孔面神经管内面神经的急性非化脓性炎症,是一种常见的神经系统疾病。本文是由北京市神经外科研究所牵头,在长沙、成都、广州、哈尔滨、上海、银川等六城市居民进行的神经系统疾病的流行病学调查。 Bell’s paralysis is a non-purulent inflammation of the facial nerve of the styloid duct surface of the stylomastoid foramen. It is a common neurological disease. This article is led by the Beijing Institute of Neurosurgery led by residents in Changsha, Chengdu, Guangzhou, Harbin, Shanghai, Yinchuan and other residents in the epidemiological investigation of the nervous system.