The causes of eyebrow twitching can be physiologic and pathologic, the former includes overuse of eyes, fatigue, etc., and the latter can include epilepsy, facial muscle spasm, etc. 1. Physiological causes: If eyebrow twitching occurs occasionally, it may be caused by over-exertion of eyes, over-exertion or other reasons. It is of short duration and will be relieved quickly by rest and hot compresses, and does not require special treatment. 2. Pathologic causes (1) Epilepsy: Simple partial seizure epilepsy may be manifested as localized muscle throbbing and convulsions, further EEG may be performed to assist diagnosis. (2) Facial muscle spasm: the presence of persistent eyebrow throbbing may be due to facial muscle spasm. It is necessary to exclude the possibility of facial nerve compression, intracranial tumor and other diseases. If this condition is not relieved, it is necessary to go to the hospital for further examination to clarify the diagnosis and treatment.