There are many reasons for the left eyelid jumping a day, specific analysis of the following points: 1, excessive use of the eyes, prolonged use of electronic products or sleepless nights, resulting in eye fatigue, eyelid jumping, eye pain, dry eyes, need to use eye drops to relieve the symptoms, or hot compresses, physical therapy and other methods to relieve, but also need a good rest. 2, mosquitoes or dust into the eye, foreign body stimulation leads to muscle spasm around the eye, appearing 3, eye disease, conjunctivitis or keratitis, will stimulate the eyelids have been jumping, and accompanied by dry eyes, eyes, tearing and other symptoms, you need to use eye drops or levofloxacin eye drops for eye drops to eliminate inflammation. 4, periocular vascular malformation, twisted blood vessels Compression of the nerve, the symptoms of eyelid jumping.