Facial fibrillation is not an omen, but is primarily a manifestation of facial muscle spasm. Facial muscle spasm is due to a part of the facial nerve pathway is compressed and edema, demyelination and other changes, the abnormal excitation formed by the short circuit of the fibers at the lesion, resulting in facial muscle spasm. Its clinical manifestations are mostly onset after middle age, more women than men, most patients first from one side of the eye orbicularis oculi muscle paroxysmal twitching occurs, and gradually accumulated other facial muscles, especially the same side of the corner of the mouth muscles. It can be triggered by emotional stress or excitement. Treatment can be oral carbamazepine or diazepam, and if the effect of oral drugs is not good, local injection of botulinum toxin or surgical treatment. Therefore, if the patient has facial fibrillation, should consult the doctor in time and follow the doctor’s instructions in time.