Hemifacial spasm: more common in middle-aged and elderly women, mainly manifested as involuntary twitching of muscles around the eyes, face and mouth. The etiology of this disease is unknown, mostly because of the compression of tumors, cysts and granulomas in the cerebellopontine angle. There are several treatments: 1. Drug control: such as carbamazepine, clonazepam, droperidol, Antan, etc. Can be used, can only control symptoms, can not cure; 2. Facial nerve block: local injection of 50% alcohol can improve symptoms, but facial paralysis can occur in different degrees; 3. Botulinum toxin type A injection: the effect of improving symptoms is good, which can last for 3-6 months, but facial paralysis can also occur, and it usually recovers about 0.5- 1 month after injection; 4。 Surgical treatment can be divided into facial nerve trunk or branch amputation and microvascular decompression. The former causes facial paralysis to achieve the therapeutic purpose, while the latter achieves the therapeutic purpose by removing the microvessels at the root of facial nerve. A few people may have different degrees of hearing impairment. Surgical treatment is traumatic. The above treatment methods should be selected according to your own situation (economic and psychological acceptance). For reference.