Eyelid jumping for two or three months may be caused by excessive eye use, facial muscle spasm, conjunctivitis, etc.. 1. Excessive eye use: due to excessive eye use, such as staying up late for a long time, prolonged exposure to computers, cell phones and other electronic products lead to eye fatigue, which causes local innervation of the eye muscles of the nerve fibers increased tension, the eye muscles will involuntarily twitching, the phenomenon of eyelid jumping. 2. Facial muscle spasm: Facial muscle spasm is a paroxysmal twitching of the facial muscles innervated by the facial nerve on one side of the face, usually starting from the orbicularis oculi muscle, and gradually spreading to the facial expression muscles and the corners of the mouth, resulting in eyelid jumping. 3. Conjunctivitis: patients will experience uncomfortable symptoms such as eye congestion, redness, slight foreign body sensation, dryness, itching, etc. Blinking can briefly alleviate the above uncomfortable symptoms, so patients with conjunctivitis will experience frequent eyelid jumping. If the eyelid jumps for two or three months not good patients, it is recommended that timely medical treatment to take the appropriate treatment program for medical treatment.