Upper eyelid swelling may be due to visual fatigue, conjunctivitis, allergies and other reasons, and does not say which method is the fastest, medical examination and standardized treatment can be. 1. Visual fatigue: excessive eye use and visual fatigue caused by physiological factors such as staying up late for a long time, working for a long time or looking at cell phones, being in a dim or bright light environment for a long time, being in a hot and dry environment for a long time, and rubbing the eyes frequently can induce upper eyelid swelling. It is necessary to use the eyes reasonably, try to avoid the above situations, if necessary, apply the seven leaves of digitalis biside, sodium vitrate eye drops to relieve visual fatigue. 2. Conjunctivitis: Bacteria, viruses and other pathogens infect the conjunctiva to induce an acute inflammatory reaction, capillary permeability increases, a large number of inflammatory substances exudate and appear upper eyelid edema. Levofloxacin, tobramycin dexamethasone and other eye drops can be applied. 3. Allergy: local allergic reaction is induced after the lid conjunctiva comes into contact with allergens such as pollen, chemicals, animal hair and dander, resulting in lid conjunctival congestion and edema. Chlorpheniramine maleate, loratadine and other anti-allergy drugs can be applied. Swelling of the upper eyelid may be related to a variety of factors, after rest can not be relieved, it is recommended to consult a doctor to clarify the diagnosis, pay attention to the use of medication under the guidance of a physician.