报道:许某,女,10岁。两年前无明显原因突然出现口唇发干,随即右侧下部面肌阵抽动不能自制,伴患侧口角下垂、鼻唇沟变浅,神清但不能言语,约一分钟后缓解如常人.初起1月发作1～2次,1年后每月发作3～5次,学习紧张时加剧,发作形式均与前同, Report: Xu, female, 10 years old. Two years ago, no obvious reason suddenly appeared dry lips, then the right side of the lower extremity muscle twitching can not be made, with the side of the mouth drooping, nasolabial fold shallow, clear but can not speak words, about one minute after the relief of normal people. 1 to 2 episodes of attack in January, 1 to 3 episodes per month after 5 to 5 times, exacerbated when learning stress, attack forms are the same as before,