Constant jumping of the left eye may be a physiological cause, mostly considered to be caused by mental tension, stress or lack of sleep. It may also occur if the patient is anxious and angry. In general, no special treatment is needed. After resting, relaxing and reducing stress, the patient’s symptoms will gradually ease on their own. If the patient’s symptoms may persist for a longer period of time, and somatic symptoms and signs may also appear, intracranial organic lesions should be excluded. For example, patients with cranial tumors may compress the nerves, and patients may also experience the above symptoms. If the patient has an intracranial aneurysm, it can also cause the above symptoms. If necessary, check the cranial magnetic brain plus angiography to clarify the diagnosis. It may also be a kind of facial muscle spasm which is a kind of peripheral neuropathy, and the patient usually manifests an involuntary twitching starting from the orbicularis oculi muscle, and gradually appearing in the corner of the mouth and the facial extension. Can be manifested as eyelid fluttering, may also appear in the corners of the mouth slight twitching, the main oral carbamazepine for treatment.