A foreign body sensation in the upper eyelid grinding the eyeball may be caused by foreign body intrusion, conjunctivitis, dry eye, etc. It can be treated by flushing the eyes or using eye drops such as acyclovir eye drops and sodium vitrate eye drops. 1. Foreign body invasion: due to the eyes into the dust, impurities and other foreign bodies, so lead to the upper eyelid has a foreign body feeling grinding eyeballs. You can close your eyes for a period of time, then massage around the eyes to stimulate the tear glands to secrete tears or rinse your eyes with artificial tears. 2. Conjunctivitis: Inflammation caused by bacterial or viral infection of the conjunctiva may lead to a foreign body sensation in the upper eyelid and grinding of the eyeballs, which can be treated with eye drops such as acyclovir ophthalmic solution and levofloxacin hydrochloride eye drops as prescribed by the doctor. 3. Dry eye: due to the reduction of tears or changes in the composition of tears, resulting in dry eyes, eyelids and eyeballs have a sense of friction between the blinking, foreign body sensation. Patients need to pay attention to eye hygiene, maintain environmental temperature and humidity, you can follow the doctor’s instructions to use sodium vitrate eye drops to keep the surface of the eye moist, to alleviate the symptoms of discomfort. When the phenomenon of foreign body sensation in the upper eyelid rubbing the eyeballs, if the symptoms have not been relieved, you should go to the hospital in time, and follow the doctor’s instructions for treatment. Drugs must be regulated under the guidance of a doctor.