Something in the eye grinding the eye may be a sign of an accidental foreign body, or it may be a sign of a disease such as conjunctivitis or dry eye. Depending on the situation, foreign bodies can be removed or medication can be taken. 1. foreign body: generally more common, such as dust, gravel, etc. may accidentally enter the eye, resulting in a foreign body sensation, grinding eyes, this situation is recommended to rinse the eyes in a timely manner, on the larger foreign body outside the eye can be on the medical tweezers to clip out, but should not be operated on their own. 2. Conjunctivitis: may be caused by microbial infection, the spread of inflammation in neighboring tissues, the symptoms of conjunctivitis manifested as a foreign body sensation, burning sensation, itching, photophobia, tearing and so on. If the conjunctivitis is caused by bacterial infection, it can be treated with levofloxacin hydrochloride eye drops and erythromycin ophthalmic ointment as prescribed by the doctor. 3. Dry eye: can be caused by a variety of factors, mainly manifested as dry eyes, often accompanied by double itching, foreign body sensation, burning sensation, or photophobia, blurred vision and other symptoms, dry eye should correct bad eye habits, the use of artificial tears to lubricate the eye surface, etc., such as polyethylene glycol, sodium vitreous acid eye drops. Something in the eye grinding eyes, long time no relief or accompanied by red eyes and other discomforts, it is recommended to consult a doctor in time for examination and treatment, the specific medication and treatment should follow the doctor’s instructions.