The left face twitching is generally seen in the following three cases: the first case, facial nerve palsy recovery, patients can also be accompanied by symptoms such as crooked mouth and eyes, salivation, incomplete eyelid closure, etc. It is recommended that patients, scientific rehabilitation treatment to avoid legacy. The second condition, facial myoclonus, has an unknown etiology in some patients and is caused by vascular or tumor compression at the facial nerve, which mainly manifests as involuntary twitching on one side of the face and seriously affects the patient’s image and social function. The third condition, focal seizures, has a previous history of epilepsy or family history of epilepsy, symptoms appear intermittently, usually lasting no more than ten minutes, EEG can further clarify the diagnosis, we recommend patients to consult neurology, if necessary, 24-hour dynamic EEG.