A blink of the left eye and a crooked corner of the mouth is a symptom of facial muscle spasm, which is also clinically known as facial muscle twitching. The main patient is to the orbicularis oculi muscle as a starting point, resulting in the same side of the face twitching. For facial muscle spasm, clinically specific pathogenesis, considered to be due to the nerve in the process of traveling by the vascular compression. It can also be secondary to diseases, such as peripheral facial neuritis, after the patient can appear facial muscle spasm. For mild cases of facial muscle spasm, after rest or symptomatic treatment can be relieved, and if necessary, oral carbamazepine can be used to control the attack. If this is not satisfactory, localized acupoint injections can be administered, and if necessary, the patient can be given surgical treatment. For patients with facial muscle spasms, it is recommended to reduce emotional stimulation and rest, which can reduce the episodes of this facial twitching.